Physics, asked by utkarshviper, 9 months ago

a copper wire of some definite length has a resistance of 12 ohm if the area of cross section of the wire is made four times without altering its length, then find its resistance

Answers

Answered by SharenPaul

1

The length of wire is doubled by what factor the resistance change

Hence, If the length of a wire is doubled, then its resistance becomes 2 times.

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