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The specific resistance ofo a wire 1.1 m...

The specific resistance ofo a wire 1.1 m long, 0.4 mm in diameter and haivng a total resistance of 4.2 ohm will be

A

`4.97 xx 10^5 Omega m`

B

`48 xx 10^-8 Omega m`

C

`48 xx 10^4 Omegam`

D

none of these

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