A copper wire of resistance R stretched to double its length. Find the new resistance of the copper
wire in terms of R.
Answers
Answered by
0
Answer:
new resistance = R/2
Answered by
16
Explanation:
If we stretch a wire to increase its length then it's cross-sectional area is halved so it's new resistance would be 4 times its previous resistance R i.e 4R
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