Blundell Thermal Physics · Problem 14.3

Entropy

Physics — Statistical Mechanics · entropy-resistor-heating

Problem

A 10 Ω10\,\Omega resistor is held at a temperature of 300 K. A current of 5 A is passed through the resistor for 2 minutes. Ignoring changes in the source of the current, what is the change of entropy in (a) the resistor and (b) the Universe?

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