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Consider two conducting wires of same le...

Consider two conducting wires of same length and material, one wire is solid with radius r. The other is a hollow tube of outer radius 2r while inner r. The ratio of resistance of the two wires will be -

A

`1 : 1`

B

`1 : 2`

C

`1 : 3`

D

`1 : 4`

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The correct Answer is:
C
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