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IGCSE physics practice test MCQ: we can say that one watt is defined as with choices 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 college majors' eLearning for college students in state colleges and college graduation courses. Free study guide is for online learning power in physics quiz test with MCQs to practice test questions with answers. Power in Physics Video

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