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The watt, the unit of power, is equal to one what per second?

AJoule
BCoulomb
CVolt
DOhm
Answer & Solution
Correct answer: A. Joule
1. The watt is equivalent to one joule per second. 2. Coulomb per second is the ampere; volt and ohm are not energy units. 3. So the joule is correct. _Source: Wikipedia, Electric current, Resistive heating_
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