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Two copper wire of length l and 2l have ...

Two copper wire of length l and 2l have radii, r and 2r respectively. What si the ratio of their specific resistance.?

A

`1:2`

B

`2:1`

C

`1:1`

D

`1:3`

Text Solution

Verified by Experts

The correct Answer is:
C
The specific resistance is independent of the dimensions of the wire but depends upon the nature of the material of the wire.
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