Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes________?

Academy of PakistanTest & Learning

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Academy of PakistanTest & Learning

804Active Users

24Electrical EngineeringMedium

A1/9 times

B9 times

C3 times

Dunchanged

Correct answer

B. 9 times

Explanation

The correct answer is 9 times.

Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes________? - Answer and Explanation | Academy of Pakistan