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Two wires made of same material have len...

Two wires made of same material have lengths in the ratio `1:2` and their volumes in the same ratio. The ratio of their resistances is

A

`4:1`

B

`2:1`

C

`1:2`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
D
`R propto l^(2) therefore` V constant
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