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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
Specific resistance or resistivity is material property , independent of geometry .
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