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If two conducting wires Aand B of same d...

If two conducting wires Aand B of same dimensions have electron density ratio 1: 3 . If their relaxation time is same then the ratio of resistance of A to resistance of B is

A

`1:1`

B

`3:1`

C

`1:3`

D

`9:1`

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AAKASH INSTITUTE ENGLISH-TEST 1-EXERCISE
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