Please provide solution of this problem, charges

Asked by  | 29th Jan, 2010, 08:07: AM

Expert Answer:

Stretching won't change the volume of wire.

Initial volume = Final volume

AiLi = AfLf

Lf = 1.02Li

Ai/Af = 1.02

Rf/Ri = LfAi/AfLi = 1.02x1.02 = 1.0404

Rf = 1.0404Ri

Hence the resistance increases by 4.04%

Regards,

Team,

TopperLearning.

Answered by  | 29th Jan, 2010, 12:42: PM

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