Electrical energy can be converted to heat energy with an


Electrical energy can be converted to heat energy with an efficiency of 100%, by sending a current through a resistor and using "Joule heating": P = I2 R. Explain how this doesn't violate the 2nd Law, which told us that the efficiency of an engine can never by 100%.

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Mechanical Engineering: Electrical energy can be converted to heat energy with an
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