Question

A wire has resistance of 8 ohm . If its length is made half by folding, find its resistance after the free ends are connected to each other?

Answer 1

QUESTION:A wire has resistance of 8 ohm . If its length is made half by folding, find its resistance after the free ends are connected to each other?

SOLUTION:Its resistance is a same as wire is constant only it is folded

Answer 2

for this question , we have to use the formula R=rho x l/a