Physics, asked by pragati24205, 10 months ago

A wire has a resistance R. What will be its resistance if it is stretched to 4 times its length?
Please answer me urgently...

Answers

Answered by shrutirwt
1

Answer:

as we know that resistance is directly proportional to the length of any substance so if we stretch a wire to 4 times it's length then it's resistance will also increase by 4R

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