Physics, asked by niranjanparitosh, 8 months ago

A wire of length L is drawn such that its diameter is reduced to half of its original diameter. If
the initial resistance of the wire were 102, its new resistance would be
(1) 40
(2) 80
(3) 120 (4) 160

Answers

Answered by jami41

1

Answer:

very very hard question

Answered by tanurakshu

1

Above pic gives u the answer..

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