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The resistivity of iron is 1×10^-7ohm …

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The resistivity of iron is 1×10^-7ohm m.the resistance of an iron wire of particular length and thickness is 15 ohm.what will be the resistivity if the length and diameter of wire both are halved??

Posted by Rita Bhuva 6 years, 11 months ago

CBSE > Class 10 > Science

1 answers

Rohit Kumar 6 years, 11 months ago

It will remain same solve equation by taking thickness be 'a' and length be 'l' on formula of resistivity

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