A piece of copper wire is cut into ten equal parts. Theseparts are connected in parallel. The joint resistanceparallel combination will be equal to the original resistaof uncut wire, multiplied by a factor of:(1) 0.01 (2) 0.1 (3) 100 (4) 1

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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 $\frac{R}{R^{^{'}}}$ is

Question 1
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 $\frac{R}{R^{'}}$ is:

(a) $\frac{1}{25}$
(b) $\frac{1}{5}$
(c) 5
(d) 25

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