Physics, asked by hasmatarakhatun786, 9 months ago

A given length of a wire is doubled on itself.By what factor does the resistance of the wire changes?

Answers

Answered by tahreenf50

1

when the wire is stretched the length is doubled and area of cross section will half

new R=rho ×length/area

new R/old R

Answered by wwwseenalingampalli

1

Explanation:

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