Question

We have 2 copper wires A and B having identical mass .The length of b is half that of A .Find the ratio of resistance of half B and A​

Answer 1

Answer:

Resistance is directly proportional to length , so the resistance of wire b will be half as compared to wire A.

The ratio will be 2 : 1 for b to A

Answer 2

Answer:

Ratio is 2:1

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