Question detail
What is the unit of power?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Energy changes in a system, and the ways energy is stored before and after such changes
Question
- A. Joule
- B. Watt
- C. Newton
- D. Coulomb
Answer
Watt
Explanation
The unit of power is the watt, which is defined as one joule per second.
Common mistake
Misunderstanding Electrical Work
Students often confuse electrical work done with energy transferred, thinking they are the same concept.
Remember that electrical work done is the energy transferred by an electric current, but they are not interchangeable terms. Focus on how current flow relates to energy transfers in circuits.
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