NEET Physics Power MCQ Question
Which of the following statements about power is correct?
The unit of power, watt, is defined as one joule per second.
Power is always a positive quantity and cannot be negative.
A 100 watt bulb uses more energy than a 60 watt bulb when both are on for the same time.
Horsepower is a unit of power equal to 1000 watts.
Correct Answer
Detailed Explanation
The unit of power, watt, is indeed defined as one joule per second as mentioned in the context. While option C is correct, it does not address the direct definition of power. Option B is misleading as power can be negative in certain contexts, and option D incorrectly states the conversion for horsepower.
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