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When a wire of uniform cross-section a, ...

When a wire of uniform cross-section a, length l and resistance R is bent into a complete circle, resistance between any two of diametrically opposite points will be

A

R/2

B

R/4

C

R/8

D

4R

Text Solution

Verified by Experts

The correct Answer is:
B


`implies R_(AB)=((R//2)/(2))=(R)/(4)`
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