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A cylindrical conductor of length l and ...

A cylindrical conductor of length `l` and uniform area of cross-section `A` has resistance `R`. Another conductor of length `2 l` and resistance `R` of the same material has area of cross-section :

A

`(A)/(2)`

B

`(3A)/(2)`

C

2A

D

3A

Text Solution

Verified by Experts

The correct Answer is:
C
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