Genius Jnr - Use the following information to answer the next question. A certain amount of current is flowing through a circular arc (as shown in the given figure). Point O is the centre of the arc. The angle subtended by the arc at point O is 30°. The strength of the magnetic field produced at point O due to the current-carrying arc is 1.52 µT. What is the amount of current carried by the arc?

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19 Jan 2019

Use the following information to answer the next question.

A certain amount of current is flowing through a circular arc (as shown in the given figure). Point O is the centre of the arc. The angle subtended by the arc at point O is 30°. The strength of the magnetic field produced at point O due to the current-carrying arc is 1.52 µT.

What is the amount of current carried by the arc?

1.36 mA

2.37 mA

4.56 A

7.40 A

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