Practice power in physics MCQs, O level physics MCQ test for online learning. Energy, work and power quiz has multiple choice questions (MCQ), power in physics quiz questions and answers to practice as we can say that one watt is defined as, answer key help 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 problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning power in physics quiz 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, the power consumed by the 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, the time taken by the 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, the time taken by the 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