Question

A metal wire of length l' and cross sectional area 'A' has mass 'm'. It is stretched by an amount 'e' by a load of mass 'M'. If the wire breaks at the point
of suspension due to the load, then the rise in temperature of wire is
[S-specific heat of wire material ]
(A)Mge/2ms
(B)Mg/2mse
(C)Mgs/2e
(D)2me/Mgs​

Answer 1

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