Physics, asked by pari97736, 1 year ago

aluminium wire of resistance R is pulled so that its length becomes 4 time its original length .Find the new resistance of wire in terms of its original resistance​

pari97736: please answer this question fast

Answers

Answered by Aksharpraveen
6
When length of the wire is streched 4 times ,its cross sectional area will be one-fourth.thus resitance will be 16 times the original resistance i.e.16R







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