a wire of resistivity rho is melted and drawn into a new wire,twice of its original length what is the resistivity of new wire?
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Answered by
2
Ahoy !
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As we know
R = rho x l / A
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New R' directly proprtional to length
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Then R' = rho x 2l / A
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Now R' = 2 R
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Hope it help ful :)
_______________________________
As we know
R = rho x l / A
_______________________________
New R' directly proprtional to length
_______________________________
Then R' = rho x 2l / A
_______________________________
Now R' = 2 R
_______________________________
Hope it help ful :)
Answered by
3
Explanation:
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The above answer is correct mark it as brainliest
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