Question detail
Which of the following units is equivalent to one watt?
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. One joule per second
- B. One joule per minute
- C. One newton per meter
- D. One kilogram per second
Answer
One joule per second
Explanation
One watt is defined as one joule of energy transferred per second, making it equivalent to one joule per second.
Common mistake
Misunderstanding Power Definition
Students often confuse power with energy, thinking it is the total energy transferred rather than the rate at which work is done.
Emphasize that power is defined as the rate at which work is done, and it is measured in watts (W), which is equivalent to joules per second.
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