Genius Jnr - A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R', then the ratio R/R' is − (a) (b) (c) 5 (d) 25

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28 Apr 2016

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R', then the ratio R/R' is −

(a)

(b)

(d) 25

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