Practice electric power MCQs in physics quiz for online learning test. Current electricity quiz questions has multiple choice questions (MCQ), electric power test to practice as watt is equal to . Answer key help with choices as one joule per second, one meter per second, one ampere per second and one farad per second problem solving for competitive exam, viva prep, interview questions worksheets. Free physics revision notes to practice electric power quiz with MCQs to find questions answers based online learning tests.

MCQ. Watt is equal to

1. one joule per second
2. one meter per second
3. one ampere per second

A

MCQ. If the resistance of an electric bulb is 500 Ω and voltage across its ends is 250 V then power consumed by it is

1. 130 W
2. 125 W
3. 120 W
4. 200 W

B

MCQ. If a light bulb is switched on for 20 s and it consumes 2400 J of electrical energy then it's power is

1. 60 W
2. 70 W
3. 80 W
4. 90 W

A

MCQ. The amount of energy supplied by current in unit time is called

1. electric energy
2. friction
3. resistance
4. Electric power

D

MCQ. (Electrical energy/time) is equal to

1. potential difference
2. flow of light
3. flow of heat
4. electric power

D