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01333_Thermodynamic Terms (P1).txt
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1995-12-08
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Which of the following is not a unit of energy?
A. Joule
B. Calorie
C. Erg
D. Watt
D
A watt is a Joule per second, a unit of power. The erg is the unit of energy in the cgs system. A calorie is defined as 4.184J and is therefore a unit of energy.