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Practice MCQs on power in physics, physics MCQs for online test prep. Energy, work and power quiz has multiple choice questions (MCQ), power in physics quiz questions and answers as we can say that one watt is defined as, answer key with choices as rate of work done or energy conversion of one joule per second, rate of time of one second per joule, rate of distance of one meter per joule and rate of work done or energy conversion of one joule per meter for competitive exam prep. Free study guide is to learn power in physics quiz online with MCQs to practice test questions with answers. Subscribe Video Channel

MCQ. We can say that one watt is defined as

1. rate of work done or energy conversion of one joule per second
2. rate of time of one second per joule
3. rate of distance of one meter per joule
4. rate of work done or energy conversion of one joule per meter

A

MCQ. If a bulb uses energy of 100 J and remains on for 25 s, power consumed by bulb will be

1. 125 W
2. 4 W
3. 2500 W
4. 75 W

B

MCQ. A filament bulb of 100 W consumes energy of 1000 J, time taken by bulb is

1. 900 s
2. 10 s
3. 1100 s
4. 100000 s

B

MCQ. An iron of 2000 W uses energy of 240000 J, time taken by iron in hours is

1. 1 hour
2. 3 hours
3. 1/2 hour
4. 2 hour

D

MCQ. One watt is equal to

1. One joule per second
2. One second per joule
3. One meter per joule
4. One joule per meter

A