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  •  The temperature of a wire of length 1m and area of cross-section 1cm2 is increased from 00C to 1000C.If the rod is not allowed to increase in length, the

 The temperature of a wire of length 1m and area of cross-section 1cm2 is increased from 00C to 1000C.If the rod is not allowed to increase in length, the force required will be -

Option: 1

103N


Option: 2

104N


Option: 3

105N


Option: 4

109N


Answers (1)

best_answer

Force(F)= Force developed

            =Y A \alpha(\Delta \theta)

            =1011×10-4×10-5×100

            =104N

Posted by

Divya Prakash Singh

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