Oorja
01 Jan 2018
A 10 V battery with an internal resistance 2 Ω and a 15 V battery with an internal resistance 1 Ω are connected to a 20 Ω resistor as shown in the figure below.
The current in the 20 Ω resistor is
or
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Energy Charge Carriers Resistance Per Unit Length ConductorExtension Wire Used Operating Television Set 220 V Mains Supply Power Dissipation Case P1 Another Ex10 Long Wire Potentiometer Used Daniel Cell E F 1 1 V Internal Resistance 0 5 Balance Point ObtainedUse Following Information Answer Next Question 10 Volt Battery Negligible Internal Resistance ConnecAgreed Capital Partners Proportionate New Profit Sharing Ratio Work New Capital Partner Give ExampleMeant Premium Redemption Debentures Length Cylindrical Wire Increased 20 Change Resistivity Three Wires Different Materials B C Used Construct Wire Resistance 100 Temperature Coefficient 0 001Power Dissipated Four Equal Resistors Connected Series 4 W Power Dissipated Connected Parallel Six Identical Resistors Connected Shown Figure Equivalent Resistance Terminals BFollowing Circuit Power Dissipation 400 W RVoltage Drop Across 3 Resistor Given CircuitMeter Bridge Set Null Deflection Galvanometer Shown Figure Value Unknown Resistor RMeter Bridge Experiment Balance Point Observed J Aj L Values R X Doubled Interchanged Would New PosiGiven Circuit Assuming Point Zero Potential Use Kirchhoff Rules Determine Potential Point B Two Heating Elements Resistances R1 R2 Operated Constant Supply Voltage V Consume Powers P1 P2 RespeFollowing Statements True Electromotive Force Battery Connected Circuit Increases Electric Current Flowing CircuitUse Following Information Answer Next Question Circuit Shown R 3 E 45 V Amount Current Shown AmmeterUse Following Information Answer Next Question Wire Resistance 10 Second Wire Material Length DoubleUse Following Information Answer Next Question Given Circuit E1 4 V E2 6 V R1 R2 2 R 6 Net ResistancUse Following Information Answer Next Question Figure Shows Network Resistors Resistance R EffectiveUse Following Information Answer Next Question Given Figure Shows Schematic Diagram Simple Circuit SUse Following Information Answer Next Question Two Electrical Appliances Connected 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Information Answer Next Question Power Rating Blow Dryer 1100 W Electricity Consumed MMolly Connects Four Resistors Different Resistances Order Construct Mixed Circuit Shown Circuit DiagFind Current Main Branch Following Circuit Power Rating Blow Dryer 1100 W Electricity Consumed Month July 34 1 Kwh Average Daily Usage Time GivBulb Rating 100 W 220 V Connected Series Resistance R 16 Supply Voltage Circuit 100 V Current PassinLarry Constructs Electrical Circuit Shown Figure Physics Lab Using Resistors Battery Equivalent ResiCurrent 1 5 Flowing Circuit Shown Potential Difference P Q Given Circuit E1 7 V E2 11 V R1 1 R2 3 R1 R3 6 R2 3 Magnitude Current Flowing Circuit Two Bulbs Rated 50 W 220 V 100 W 220 V Connected Network 440 V Dc Supply Choose Correct Option Use Following Information Answer Next Question Aluminium Wire Cross Section 2 5 10 7 M2 Carries CurrUse Following Information Answer Next Question 6 Long Hollow Thick Iron Pipe Outer Diameter 0 2 ThicUse Following Information Answer Next Question Resistance Uniform Wire 30 Another Uniform Wire B TakUse Following Information Answer Next Question Colour Coded Resistor Shown Given Figure Resistance GUse Following Information Answer Next Question 2 Long Wire Radius Cross Section 0 2 Mm Resistance 5 Use Following Information Answer Next Question Aluminium Wire Stretched Make 4 Longer Initial LengthUse Following Information Answer Next Question Cell Emf 3 0 V Internal Resistance 0 5 Terminals CellUse Following Information Answer Next Question Consider Following Statements Regarding Internal ResiUse Following Information Answer Next Question Given Figure Shows Electric Circuit Consisting Three Use Following Information Answer Next Question Given Figure Two Cells Internal Resistance 6 V Cell 0Use Following Information Answer Next Question Two Identical Cells Internal Resistance 2 Whether JoiUse Following Information Answer Next Question Circuit Four Resistors Connected Two Cells Potential Use Following Information Answer Next Question Given Figure Shows Circuit Consisting Wheatstone BridUse Following Information Answer Next Question Given Circuit Consists Resistor Unknown Resistance X Use Following Information Answer Next Question Cell Emf 1 5 V Connected Potentiometer Gives Balance Use Following Information Answer Next Question 16 Cells Internal Resistance 0 2 Emf 1 2 V Connected Tick Correct Answer 0 8 3 51 2 B 5 12 C 0 512 NoneEvaluate 33753Evaluate 40963Evaluate 7293Mark Correct Answer 214 212 B 114 C 112 NoneEvaluate 3 Correct Two Places Decimal Tick Correct Answer Following Numbers Perfect Square 1444 B 3136 C 961 2222Evaluate 80405Find Product X2 5x 8 X2 2x 3 Find Product X3 2x2 5 4x 1 Subtract 4p2 5q2 6r2 7 3p2 4q2 5r2 6Subtract 6p Q 3r 8 P 2q 5r 8Replace B C Suitable Numerals 57a Cb8 2 9 3Tick Correct Answer 4 Digit Number X27y Exactly Divisible 9 Least Value X 0 B 3 C 6 9Complete Magic Square Given Sum Numbers Row Column Along Diagonal 15 6 1 5Replace B C Suitable Numerals 4cb6 369a 8173Amount Charge Flowing Conductor Depends Time N P Positive Constants Find Value Initial Current Ii MaFour Cells Emf Internal Resistance R Connected Form Circuit Power Transfer Circuit Maximum Value LoaBalance Point Metre Bridge Zero End Left End X Two Resistances R1 R2 Connected Left Right Gaps MetreEffect Current Cross Section Current Carrying Conductor Changed Expression Charge Flowing Conductor Constant Current Flowing Wire N Electrons Per Unit Cubic Metre Graph Drawn Log Drift Velocity Vd LogDefine Resistivity Material Write Si Unit Brass Wire Stretched Percentage Change Resistance 0 2 PercComment Following Statements Current Carrying Conductor Charged Although Electron Charge Electron DrCell Emf E Internal Resistance R Connected Across Variable Resistor R Plot Graph Showing Variation TDerive Expression Drift Velocity Free Electrons Conductor Terms Relaxation Time Figure Shows Experimental Set Meter Bridge Two Unknown Resistances X Inserted Null Point Obtained 40Deduce Condition Balance Wheat Stone Bridge Describe Method Determine Specific Resistance Wire LaborExplain Resistivity Conductor Depends Upon Number Density N Free Electrons Ii Relaxation Time Circuit Diagram Shows Use Potentiometer Measure Small Emf Produced Thermocouple Connected X Cell C EDraw V Graph Ohmic Non Ohmic Materials Give One Example Define Term Resistivity Write Unit Derive Expression Resistivity Conductor Terms Number Density FreeSketch Graph Showing Variation Resistivity Carbon Temperature Write Mathematical Relation Mobility Drift Velocity Charge Carriers Conductor Name Mobile Charge CarTwo Cells E1 E2 Given Circuit Diagram Emf 5 V 9 V Internal Resistance 0 3 1 2 Respectively Calculate10 Long Wire Uniform Cross Section 20 Resistances Used Potentiometer Wire Connected Series Battery 5Cylindrical Metallic Wire Stretched Increase Length 5 Calculate Percentage Change Resistance State Kirchhoff Rules Current Distribution Electrical Network Using Rules Determine Value Current I1Write Mathematical Relation Resistivity Material Terms Relaxation Time Number Density Mass Charge ChPrinciple Metre Bridge Work Draw Circuit Diagram Explain Device Used Determination Unknown ResistancDerive Mathematical Expression Resistivity Conductor Terms Numberdensity Charge Carriers Conductor RPlot Variation Potential Difference Across Combination Three Identical Cells Series Versus Current SProve Current Density Metallic Conductor Directly Proportional Drift Speed Electrons Number IdenticaPotentiometer Wire Length 1 Connected Driver Cell Emf 3 V Shown Figure Cell 1 5 V Emf Used SecondaryTwo Metallic Wires Material Length Cross Sectional Area Ratio 1 2 Connected Series Ii Parallel CompaDerive Expression Resistivity Good Conductor Terms Relaxation Time Electrons Calculate Equivalent Resistance Given Electrical Network Points B Ii Also Calculate Current Cd Acb Wire Resistance 8r Bent Form Circle Effective Resistance Ends Diameter Ab Meter Bridge Null Point Found Distance L1 Cm Resistance X Connected Parallel Null Point Occurs L2 CmWrite Principle Working Potentiometer Describe Briefly Help Circuit Diagram Potentiometer Used DeterExplain Help Graph Variation Conductivity Temperature Metallic Conductor Voltage 30 V Applied Across Carbon Resistor First Second Third Rings Blue Black Yellow Colours RespeMetre Bridge Balance Point Found 39 5 Cm End Resistor 12 5 Ohm Determine Resistance X Connections ReDefine Terms Resistivity Conductivity State Units Draw Graph Showing Variation Resistivity TemperatuCylindrical Metallic Wire Stretched Increase Length Calculate Percentage Change Resistance 2 Define Resistivity Conductor Plot Graph Showing Variation Resistivity Temperature Metallic ConductorDirection Current Classified Vector Quantity Factors Determine Resistivity Material Current Branch Ab Circuit Shown Figure Colours Resistor Following Order Red Orange Yellowcalculate Resistance Resistor Derive Dimensional Formula Resistance Equivalent Resistance Terminals C Given Circuit 10 Volt Battery Connected 6 Resister Many Electrons Supplied Battery Per Second Determine Equivalent Resistance Points C Given Circuit Potentiometer Connected Points B Balancing Length Found 4 Potentiometer Connected Points C BalancingEquivalent Resistance Points P Q B Balance Point 65 Cm Obtained Certain Cell Connected PotentiometerTotal Current Circuit Given B Charge Stored Capacitor Capacitor Capacitance 5 F Connected Points Q RGraphically Represent Resistivity Semiconductor Varies Temperature Free Electrons Voltage 120 V Produces Current Density 1 5 104 M2 Wire Length Wire 10 Radius 0 3 Mm Resistivity Bulb Rated 0 5 3 V Filament Resistance 1 Room Temperature 25 C Temperature Filament Given 4 5 10 3 KTwo Resistors Said Connected Parallel Balance Point Meter Bridge Found 41 5 Cm End 13 Determine Resistance X Bridge Balance Point GalvanomTransmission Cables Carry Current High Values Voltage Derive Equation Equivalent Resistance Resistors Connected Series Ii ParallelGenerator Produces 1 102 Current 4 103 V Voltage Stepped Upto 2 4 105 V Transformer Transmission EffRequired Compare Two Resistances P Q Help Meter Bridge Arrangement P Q Connected Shown Balance PointGiven Figure Represents Movement Conduction Electrons State Direction Following Current Density B ElPossible Measure E F Cell Using Potentiometer Circuit Possible Using Voltmeter B Find Equivalent ResEquivalent Resistance Arms B Circuit Shown Figure Resistivity Conductor Current Density 4 5 106 M2 Exists Applied Electric Field 9 V B Potential DiffeGiven Circuit Drift Velocity Electrons Change Length Conductor L Tripled Potentiometer Wire Uniform Cross Section B Given Figure Reading Galvanometer Circuit Zero 15 V SourcResistivity Material Depends Upon Factors State Factors Upon Internal Resistance Cell Depends B Drift Velocity Electrons Resistance Conductor 5 Fuse Particular Household Blows Repeatedly Dangerous Replace 15 Fuse Two Cells P Q Connected Series Bulb Resistance 9 8 Ideal Voltmeter Connected Cell P Reads 0 96 V ConCalculate Current Delivered 72 V Cell B Current Resistor Labelled X Conductor Twice Resistance Another Conductor Connected Across Potential Difference Determine ConductDraw Graphs Show Variation Resistivity Temperature Metal SemiconductorVoltmeter 10 000 Used Measuring Potential Drop Across 400 Resistor Circuit Shown Given Figure ReadinCalculate Equivalent Resistance Network Across Points B Coil Number Turns N Area Rotated Constant Angular Speed Uniform Magnetic Field B Connected Resistor Current 3 Maintained Cu Wire Cross Sectional Area 0 2 Mm2 Cu Atom Contributes One Conduction ElectroFind Resistance Points B Following Network Charges Flowing Conductor Varies Time Q 2t2 5t 3 CurrentFollowing Circuit Voltage Drop Across 8 Resistance X V Value X Nearest Integer Optical Instrument Used Reading Small Sized Text Molly Connects Four Resistors Different Resistances Order Construct Mixed Circuit Shown Circuit DiagFind Current Main Branch Following Circuit Power Rating Blow Dryer 1100 W Electricity Consumed Month July 34 1 Kwh Average Daily Usage Time GivBulb Rating 100 W 220 V Connected Series Resistance R 16 Supply Voltage Circuit 100 V Current PassinLarry Constructs Electrical Circuit Shown Figure Physics Lab Using Resistors Battery Equivalent ResiUse Following Information Answer Next Question Aluminium Wire Cross Section 2 5 10 7 M2 Carries CurrUse Following Information Answer Next Question 6 Long Hollow Thick Iron Pipe Outer Diameter 0 2 ThicUse Following Information Answer Next Question Resistance Uniform Wire 30 Another Uniform Wire B TakUse Following Information Answer Next Question Colour Coded Resistor Shown Given Figure Resistance GUse Following Information Answer Next Question 2 Long Wire Radius Cross Section 0 2 Mm Resistance 5 Use Following Information Answer Next Question Aluminium Wire Stretched Make 4 Longer Initial LengthUse Following Information Answer Next Question Cell Emf 3 0 V Internal Resistance 0 5 Terminals CellUse Following Information Answer Next Question Consider Following Statements Regarding Internal ResiUse Following Information Answer Next Question Given Figure Shows Electric Circuit Consisting Three Use Following Information Answer Next Question Given Figure Two Cells Internal Resistance 6 V Cell 0Use Following Information Answer Next Question Two Identical Cells Internal Resistance 2 Whether JoiUse Following Information Answer Next Question Circuit Four Resistors Connected Two Cells Potential Use Following Information Answer Next Question Given Figure Shows Circuit Consisting Wheatstone BridUse Following Information Answer Next Question Given Circuit Consists Resistor Unknown Resistance X Use Following Information Answer Next Question Cell Emf 1 5 V Connected Potentiometer Gives Balance Use Following Information Answer Next Question 16 Cells Internal Resistance 0 2 Emf 1 2 V Connected Direction Current Classified Vector Quantity Factors Determine Resistivity Material Current Branch Ab Circuit Shown Figure Colours Resistor Following Order Red Orange Yellowcalculate Resistance Resistor Derive Dimensional Formula Resistance Conductor Twice Resistance Another Conductor Connected Across Potential Difference Determine Conduct5 Fuse Particular Household Blows Repeatedly Dangerous Replace 15 Fuse Terminal Battery Inside Car Must Earthed Earthing Terminal Ensured Car Equivalent Resistance Terminals C Given Circuit 10 Volt Battery Connected 6 Resister Many Electrons Supplied Battery Per Second Equivalent Resistance Arms B Circuit Shown Figure Given Circuit Drift Velocity Electrons Change Length Conductor L Tripled Draw Graphs Show Variation Resistivity Temperature Metal Ii SemiconductorParameter Determines Sensitivity Potentiometer Sensitivity Potentiometer Increased Determine Equivalent Resistance Points C Given Circuit Potentiometer Connected Points B Balancing Length Found 4 Potentiometer Connected Points C BalancingRequired Compare Two Resistances P Q Help Meter Bridge Arrangement P Q Connected Shown Balance PointTwo Cells P Q Connected Series Bulb Resistance 9 8 Ideal Voltmeter Connected Cell P Reads 0 96 V ConCalculate Current Delivered 72 V Cell Current Resistor Labelled X Derive Equation Equivalent Resistance Resistors Connected Series Ii ParallelEquivalent Resistance Points P Q Balance Point 65 Cm Obtained Certain Cell Connected Potentiometer Another Cell Whose Emf Differs 0 2Total Current Circuit Given Charge Stored Capacitor Capacitor Capacitance 5 F Connected Points Q R Reading Ideal Voltmeter Connected Pointsp R Meant Current Density Relate Electric Field Current Density Help Expression Meant Mobility Electrons Graph V Demonstrate Conductor Deviates Linear Ohm Law State Advantage Using Carbon Resistors Give Example Material Number Change Cavies Increases Temperature Graphically Represent Resistivity Semiconductor Varies Temperature Transmission Cables Carry Current High Values Voltage Two Resistors Said Connected Parallel Mean E F Cell Colour Code Resistor Resistance 3 5 K 5 Tolerance Copper Wire Used Making Potentiometers State Two Uses Potentiometer Potential Gradient Si Unit Point Potentiometer Wire Balance Point Obtained Order Obtain Accurate Result Define Drift Velocity State Order Magnitude Define Relaxation Time State Order Magnitude Current DensityElectric FieldResistivity Material Depends Upon Factors Conductivity Material Depends Upon Factors Temperature Conductor Increased Length Conductor Decreased Electrical ConductanceElectrical ConductivityBasis Conductivity Explain Dielectrics Give Two Examples Dielectric Materials Vi Characteristics Two Wires X Shown Given Figure Length Cross Sectional Area Wire Higher ResistivitThree Identical Cells E F 3 V Internal Resistance 0 05 Connected Series External Resistance 6 CurrenVoltage 120 V Produces Current Density 1 5 104 M2 Wire Length Wire 10 Mm Radius 0 3 Mm Resistivity Bulb Rated 0 5 3 V Filament Resistance 1 Room Temperature 25 C Temperature Filament Given 4 5 10 3 KCalculate Steady State Current Circuit Shown Given Figure Voltmeter 10 000 Used Measuring Potential Drop Across 400 Resistor Circuit Shown Given Figure ReadinN Identical Cells E F Internal Resistance R Connected External Resistor R Derive Expression Current Four Resistances 25 20 4 10 Connected Cyclic Order Form Wheatstone Bridge Bridge Balanced Calculate Calculate Equivalent Resistance Network Across Points B Balance Point Meter Bridge Found 41 5 Cm End 13 Determine Resistance X Bridge Balance Point GalvanomCertain Cell Gives Balance Point 55 Cm End Potentiometer Wire Another Cell E F 0 2 V Less First CellPotentiometer Wire Length 8 Resistance 24 Connected Series Cell E F 4 V Resistance Box Resistance InState Factors Upon Internal Resistance Cell Depends Drift Velocity Electrons Resistance Conductor Change Length Conductor Doubled Potential Difference KDefine Electromotive Force Cell Name Materials Used Making Standard Resistances Give Reasons Choice Cell E F 3 V Internal Resistance 0 5 Connected External Resistance 5 Potential Difference Across TerExpress Resistivity Conductor Terms Relaxation Time Electrons Resistivity Conductor Current Density 4 5 106 M2 Exists Applied Electric Field 9 V Potential Difference V Applied Across Good Conductor Bad Conductor Dimensions One Produce Heat JustiPossible Measure E F Cell Using Potentiometer Circuit Possible Using Voltmeter Find Equivalent Resistance Network Points X Potentiometer Wire Uniform Cross Section Given Figure Reading Galvanometer Circuit Zero 15 V Source Negligible Internal Resistance Value R Use Following Information Answer Next Question Given Circuit E1 7 V E2 11 V R1 1 R2 3 R1 R3 6 R2 3 NUse Following Information Answer Next Question Given Circuit Electromotive Force Battery 9 V R 100 RUse Following Information Answer Next Question Potential Difference Across Terminals Bulb Whose ResiUse Following Information Answer Next Question Samantha Constructs Circuit Shown Figure Light ChristUse Following 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Electrical Equipments Provides Safety Domestic Circuit Use Following Information Answer Next Question Steven Constructing Electrical Circuit Two Pieces WirUse Following Information Answer Next Question Cyrus Connects Three Resistors Resistances Series ConUse Following Information Answer Next Question Four Students Namely Jasmine Nicole Darren George ConElectrical Appliances Need Steady Flow Electric Charges Working Steady Flow Electric Charges CalledElectrical Resistance Electric Appliance DefinedUse Following Information Answer Next Question Electrical Resistance Amount Opposition Offered ElectUse Following Information Answer Next Question Electric Motor Uses Energy Mechanical Work Process AmFollowing Energies Drawn Microwave Oven Working Electrical Bulb Rated 60 W Operates Four Hours Daily Total Energy Consumed Bulb 30 DaysElectrical Energy Consumed Electrical DeviceUse Following Information Answer Next Question Two Electrical Appliances Connected Electricity SupplUsed Two Hours 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Question Four Resistors Connected Battery Potential 10 V ShownUse Following Information Answer Next Question Given Figure Shows Electric Circuit Constructed UsingUse Following Information Answer Next Question Battery Electromotive Force 13 V Connected Circuit ShUse Following Information Answer Next Question Current 3 Flows Battery Given Circuit Internal ResistUse Following Information Answer Next Question Battery Emf 12 V Internal Resistance 1 Connected ResiUse Following Information Answer Next Question Given Figure Shows Simple Electric Circuit Emf BatterFollowing Electrical Appliances Highest Power Rating Use Following Information Answer Next Question Given Figure Shows Simple Circuit Diagram Comprises FUse Following Information Answer Next Question Battery Internal Resistance Connected Load ResistanceUse Following Information Answer Next Question Given Figure Shows Simple Circuit Diagram Resistor ReUse Following Information Answer Next Question Electrical Appliances High Resistances Used Heating DUse Following Information Answer Next Question Transmission Distribution Losses Usa Estimated 7 2 19Use Following Information Answer Next Question Transmission Line Designed Carry 1 Mw Electrical PoweUse Following Information Answer Next Question Fan Derives 3 Current Connected Across 120 V Power SuUse Following Information Answer Next Question Bulb Nichrome Filament Resistance 60 Amount Power DisUse Following Information Answer Next Question Common Flashlight Bulb Rated 0 20 1 5 V Energy DissipUse Following Information Answer Next Question Power Rating Bulb 60 W 110 V Bulb Connected 110v 50 HUse Following Information Answer Next Question Daphne Designs Circuit Shown Figure E1 60 V R1 1 E2 3Use Following Information Answer Next Two Questions Circuit Figure Comprises Cell Resistance Key KeyUse Following Information Answer Next Question Gas Discharge Tube Total Electric Charge Flowing Per Conductor Flow Charge Varies Time B C Positive Constants Following Statements True Conductor Consider Following Network Following Statements Correct Given Circuit Voltage Applied Across Ab TermFollowing Statements True Use Following Information Answer Next Question Drift Speed Electrons Current Carrying Wire Small OrdUse Following Information Answer Next Question Potential Difference Across Copper Wire Mass 2 2 G 1 Current 10 Passing Wire Many Electrons Pass Wire 2 Min Use Following Information Answer Next Question Consider Following Statements Electric Field Point DuUse Following Information Answer Next Question Number Protons Drifting Per Second Across Cross Secti10 V Battery Negligible Internal Resistance Connected Across 200 V Battery Resistance 38 Shown FigurEmf Cell Always Greater Terminal Voltage Give Reason State Working Principle Potentiometer Help Circuit Diagram Explain Potentiometer Used Compare Emf TCell Emf E Internal Resistance R Draws Current Write Relation Terminal Voltage V Terms E R Heating Element Marked 210 V 630 W Value Current Drawn Element Connected 210 V Dc Source State Working Principle Potentiometer Help Circuit Diagram Explain Potentiometer Used Compare Emf T5 V Battery Negligible Internal Resistance Connected Across 200 V Battery Resistance 39 Shown FigureHeating Element Marked 210 V 630 W Find Resistance Element Connected 210 V Dc Source State Working Principle Potentiometer Help Circuit Diagram Explain Potentiometer Used Compare Emf TGraph Shown Figure Represents Plot Current Versus Voltage Given Semiconductor Identify Region SemicoTwo Identical Cells Emf E Negligible Internal Resistance Connected Parallel Across External ResistanExplain Term Drift Velocity Electrons Conductor Hence Obtain Expression Current Conductor Terms DrifTwo Identical Cells Emf E Negligible Internal Resistance Connected Parallel Across External ResistanGraph Shown Figure Represents Plot Current Versus Voltage Given Semiconductor Identify Region SemicoExplain Term Drift Velocity Electrons Conductor Hence Obtain Expression Current Conductor Terms DrifGraph Shown Figure Represents Plot Current Versus Voltage Given Semiconductor Identify Region SemicoTwo Identical Cells Emf E Negligible Internal Resistance Connected Parallel Across External ResistanExplain Term Drift Velocity Electrons Conductor Hence Obtain Expression Current Conductor Terms DrifConductor Length L Connected Dc Source Potential V Length Conductor Tripled Gradually Stretching KeeTwo Students X Perform Experiment Potentiometer Separately Using Circuit Given Keeping Parameters UnTwo Cells Emf E1 E2 Internal Resistance R1 R2 Respectively Connected Parallel Shown Figure Deduce ExTwo Students X Perform Experiment Potentiometer Separately Using Circuit Given Keeping Parameters UnConductor Length L Connected Dc Source Potential V Length Conductor Tripled Gradually Stretching KeeTwo Cells Emf E1 E2 Internal Resistance R1 R2 Respectively Connected Parallel Shown Figure Deduce ExTwo Wires Equal Length One Copper Manganin Resistance Wire Thicker Calculate Value Resistance R Circuit Shown Figure Current Circuit 0 2 Would B Potential Difference PDefine Relaxation Time Free Electrons Drifting Conductor Related Drift Velocity Free Electrons Use RTwo Wires Equal Length One Copper Manganin Resistance Wire Thicker Calculate Value Resistance R Circuit Shown Figure Current Circuit 0 2 Would B Potential Difference PDefine Relaxation Time Free Electrons Drifting Conductor Related Drift Velocity Free Electrons Use RElectrons Drift Metal Lower Higher Potential Mean Free Electrons Metal Moving Direction Show Graph Variation Resistivity Temperature Typical Semiconductor Cell Emf E Internal Resistance R Connected Two External Resistance R1 R2 Perfect Ammeter Current CirFigure Long Uniform Potentiometer Wire Ab Constant Potential Gradient Along Length Null Points Two PElectrons Drift Metal Lower Higher Potential Mean Free Electrons Metal Moving Direction Show Graph Variation Resistivity Temperature Typical Semiconductor Cell Emf E Internal Resistance R Connected Two External Resistance R1 R2 Perfect Ammeter Current CirFigure Long Uniform Potentiometer Wire Ab Constant Potential Gradient Along Length Null Points Two PElectrons Drift Metal Lower Higher Potential Mean Free Electrons Metal Moving Direction Show Graph Variation Resistivity Temperature Typical Semiconductor Cell Emf E Internal Resistance R Connected Two External Resistance R1 R2 Perfect Ammeter Current CirFigure Long Uniform Potentiometer Wire Ab Constant Potential Gradient Along Length Null Points Two PDefine Term Drift Velocity Charge Carriers Conductor Write Relationship Current Flowing State Kirchhoff Rules Explain Briefly Rules Justified Potentiometer Wire Length 1 Resistance 5 Connected 8 V Battery Series Resistance 15 Determine Emf PrDefine Term Electrical Conductivity Metallic Wire Write Unit Show Variation Resistivity Si Temperature Graph State Kirchhoff Rules Explain Briefly Rules Justified Potentiometer Wire Length 1 0 Resistance 15 Connected 5 V Battery Series Resistance 5 Determine Emf Define Term Mobility Charge Carriers Conductor Write UnitShow Variation Resistivity Copper Function Temperature Graph State Kirchhoff Rules Explain Briefly Rules Justified Potentiometer Wire Length 1 Resistance 10 Connected 6 V Battery Series Resistance 5 Determine Emf PrEstimate Average Drift Speed Conduction Electrons Copper Wire Cross Sectional Area 2 5 10 7 M2 CarryCell Emf E Internal Resistance R Connected Across Variable Resistor R Plot Graph Showing Variation TAnswer Following Connections Resistors Meter Bridge Made Thick Copper Strips B Generally Preferred OEstimate Average Drift Speed Conduction Electrons Copper Wire Cross Sectional Area 2 5 10 7 M2 CarryCell Emf E Internal Resistance R Connected Across Variable Resistor R Plot Graph Showing Variation TAnswer Following Connections Resistors Meter Bridge Made Thick Copper Strips B Generally Preferred OCell Emf E Internal Resistance R Connected Across Variable Resistor R Plot Graph Showing Variation TEstimate Average Drift Speed Conduction Electrons Copper Wire Cross Sectional Area 1 0 10 7 M2 CarryAnswer Following Connections Resistors Meter Bridge Made Thick Copper Strips B Generally Preferred OFind Charge Capacitor Shown Circuit State Principle Potentiometer Define Potential Gradient Obtain Expression Potential Gradient Terms Circuit Shown Figure Find Total Resistance Circuit Current Arm Ad State Principle Potentiometer Define Potential Gradient Obtain Expression Potential Gradient Terms Graph Showing Variation Current Versus Voltage Material Ga Shown Figure Identify Region Negative ResUse Kirchhoff Rules Obtain Conditions Balance Condition Wheatstone Bridge Cell Emf E Internal Resistance R Connected Across Variable Load Resistor R Draw Plots Terminal VoltaGraph Showing Variation Current Versus Voltage Material Ga Shown Figure Identify Region Negative ResUse Kirchhoff Rules Obtain Conditions Balance Condition Wheatstone Bridge Cell Emf E Internal Resistance R Connected Across Variable Load Resistor R Draw Plots Terminal VoltaDistinguish Emf Terminal Voltage Cell Meter Bridge Shown Figure Balance Point Found 40 Cm End Resistance 10 Connected Series R Balance PoiState Underlying Principle Potentiometer Write Two Factors Current Sensitivity Potentiometer IncreasThunderstorm Live Wire Transmission Line Fell Ground Poles Street Group Boys Passed Noticed Wanted P State Kirchhoff Rules Explain Basis Justified B Two Cells Emfs E1 E2 Internal Resistances R1 R2 ConGraph Showing Variation Current Versus Voltage Material Ga Shown Figure Identify Region Negative ResUse Kirchhoff Rules Obtain Conditions Balance Condition Wheatstone Bridge Cell Emf E Internal Resistance R Connected Across Variable Load Resistor R Draw Plots Terminal VoltaPlot Graph Showing Variation Resistivity Conductor Temperature Given Resistances 1 2 3 Combine Get Equivalent Resistance 113 Ii 115 Given Circuit Steady State Obtain Expressions Potential Drop B Charge C Energy Stored Capacitor C Sushil Habit Charging Mobile Leaving Charger Connected Mains Switch Sister Asha Pointed Replied HarmDistinguish Emf Terminal Voltage Cell Meter Bridge Shown Figure Balance Point Found 40 Cm End Resistance 10 Connected Series R Balance PoiState Underlying Principle Potentiometer Write Two Factors Current Sensitivity Potentiometer IncreasThunderstorm Live Wire Transmission Line Fell Ground Poles Street Group Boys Passed Noticed Wanted P State Kirchhoff Rules Explain Basis Justified B Two Cells Emfs E1 E2 Internal Resistances R1 R2 ConTwo Cells Emf 1 5 V 2 0 V Respectively Internal Resistances 0 2 0 3 Respectively Connected Parallel Plot Variation Potential Difference Across Combination Three Identical Cells Series Versus Current SBattery Emf 12 V Internal Resistance 2 Connected 4 Resistor Shown Figure Show Voltmeter Placed Acros Derive Expression Drift Velocity Free Electrons Ii Drift Velocity Electrons Metallic Conductor VaryMetal Rod Square Cross Sectional Area Length L Current Flowing Potential Difference V Volt Applied A Circuit Diagram Given Ab Uniform Wire Resistance 15 Length 1 Connected Cell E1 Emf 2v Negligible InResistance R Draws Current Potentiometer Potentiometer Wire Ab Total Resistance Ro Voltage V Supplie Derive Expression Drift Velocity Electrons Conductor Hence Deduce Ohm Law Ii Wire Whose Cross SectiNichrome Copper Wires Length Radius Connected Series Current Passed Wire Gets Heated Justify Answer Write Principle Working Meter Bridge B Metre Bridge Balance Point Found Distance L1 Resistances R S State Principle Potentiometer Works Given Potentiometer Made Sensitive Ii Graph Shown Two PotentiomTwo Electric Bulbs P Q Resistances Ratio 1 2 Connected Series Across Battery Find Ratio Power Dissip10 V Cell Negligible Internal Resistance Connected Parallel Across Battery Emf 200 V Internal Resist Define Term Conductivity Metallic Wire Write Si Unit B Using Concept Free Electrons Conductor DerivTeachers Geeta School Took Students Study Trip Power Generating Station Located Nearly 200 Km Away CPotential Difference Applied Across Ends Conductor Drift Velocity Electrons Related Relaxation Time Two Bulbs Rated P1 V P2 V Connected Series Ii Parallel Across Supply V Find Power Dissipated Two ComUsing Kirchhoff Rules Calculate Current 40 20 Resistors Following Circuit End Error Metre Bridge OveMobility Electrons Conductor Change Potential Difference Applied Across Conductor Doubled Keeping LeDrift Velocity Conductor Affected Rise Temperature Carbon Resistor Shown Figure Using Color Code Write Value Resistance Twelve Wires Resistance 3 Connected Form Cubical Network Battery 10 V Negligible Internal ResistanceStudent Uses Circuit Diagram Potentiometer Shown Figure Steady Current Passing Potentiometer Wire GeName Charge Carries Flow Current Conductor Ii Electrolyte Circuit Shown Figure Would Balancing Length Affected R1 Decreased Ii R2 Increased Factors Remaining Draw Graph Showing Variation Current Versus Voltage Electrolyte External Resistance Also Connected Electric Current Flow Charges Current Flows ConductorTwo Wires Equal Length One Copper Manganin Resistance Diameter Copper Wire Manganin Wire State Biot Savart Law Use Derive Expression Magnetic Field Centre Circular Loop Radius R Carrying St Outward Electric Flux Due Charge Q Independent Shape Size Surface Encloses Give Two Reasons JustifyAccording Ohm Law Current Density Inside Conductor Independent Conductor Voltage Difference ConstantResistances Connected Series Net Resistance Circuit Resistances Connected Parallel Copper Wire Non Uniform Area Cross Section Connected C Battery Physical Quantity Remains Constant Al Define Internal Resistance Cell B Cell Emf E Internal Resistance R Connected Across Variable Resist Differentiate Electrical Resistance Resistivity Conductor B Two Metallic Rods Length L Area Cross A Circuit Diagram Given Ab Uniform Wire Resistance 15 Length 1 Connected Cell E1 Emf 2v Negligible In Plot Graph Showing Variation Voltage Vs Current Drawn Cell One Get Information Plot Emf Cell InternLength Wire Potentiometer 100 Cm Emf Standard Cell 50 Volts Employed Measure Emf Battery Whose Emf 5Following Graph Shows Variation Current Voltage Conductor Graph Shows Correct Relationship Log Log VCircuit Shown Current Arm Ac GivenTwo Wires Material Length Joined Series Combination One Half Thickness Thinner Wire Resistance 8 OhmResistance Wire 100 Temperature 100 C Temperature Coefficient Wire Material 0 005 C Resistance BecomValue Current Circuit Given GivenTotal Effective Resistance Circuit Given feedback on
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