Posted by **Salando** on Sunday, March 24, 2013 at 11:33pm.

A thermally insulated 50ohm resistor carries a current of 1A for 1s. The initial temperature of the resistor is 10degree, its mass is 5g, and its specific heat capacity is 850j/kg/k. Calculate the change in entropy of the resistor and what is the change in entropy of the universe?

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