Question

a wire is stretched to three times its length.find the strain produced in the wire​

Answer 1

Answer:

When the wire is stretched to 3 times its original length, its cross section is also reduced to one third of what it was before. By using the above relation, we find the new resistance to be 3x3= 9 times of what it was before!

Answer 2

Answer:

Answer. When the wire is stretched to 3 times its original length, its cross section is also reduced to one third of what it was before. By using the above relation, we find the new resistance to be 3x3= 9 times of

Explanation:

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