Two wires A and B of same material and s...

Two wires `A` and `B` of same material and same mass have radius `2r` and `r`. If resistance of wire `A` is `34 Omega`, then resistance of `B` will be

A

`544 Omega`

B

`272 Omega`

C

`68 Omega`

D

`17 Omega`

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The correct Answer is:

A

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