Physics, asked by Prabalpratap6495, 1 year ago

A wire. whose resistance is 10 ohm is stretched a length its area of cross section becomes half what is new resistance of wire

Answers

Answered by chawlavaibhav10

1

Answer:

R=pl/a where p is rho

Explanation:

Applying this formula where a is area of cross section the answer will be 20 ohm

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