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Resistivity

Two conductin...

Question

Two conducting wires of same material and of equal lengths, resistance and resistivity having ratio $1 : 2$ . Their diameter ratio will be

A

1 : 2

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B

1 : 4

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C

4 : 1

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D

1 : \sqrt{2}

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Solution

The correct option is D $1 : \sqrt{2}$
Hence, option $(D)$ is correct answer.

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