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A wire of length 1m and radius 0.02cm has a resistance of 5ohm.calculate the resistervity of the material of the wire

Posted by Choudhary Shaab 6 years, 6 months ago

CBSE > Class 10 > Science

1 answers

Arnob Pal 6 years, 6 months ago

Resistance= rho×l/A 5 ohm= rho × 1/0.001256 rho=5×0.001256 =0.00628 ohm metre. =6.28 ×10^-3 ohm metre. Therefore ,resistivity= 6.28× 10^-3 ohm metre.

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