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Practice MCQs on energy, work and power, physics MCQs for online test prep. Energy, work and power quiz has multiple choice questions (MCQ), energy, work and power quiz questions and answers as si unit for power is, answer key with choices as joules, watts, ohms and newton for competitive exam prep. Free study guide is to learn energy, work and power quiz online with MCQs to practice test questions with answers.

MCQ. SI unit for power is

1. Joules
2. Watts
3. Ohms
4. Newton

B

MCQ. A car stopped screeching to avoid crash with a van, what change is involved in those process?

1. Kinetic energy is converted into sound energy
2. Kinetic Energy is converted into sound and thermal energy
3. Potential energy is converted into sound, heat and kinetic energy
4. Kinetic and potential energy is converted into thermal and sound energy

B

MCQ. When a rubber band is compressed, what type of energy does it possess?

1. Potential Energy
2. Thermal Energy
3. Kinetic Energy
4. Sound Energy

A

MCQ. A machine is able to lift a mass of 200 kg vertically upto height of 30 m above ground in 50 seconds. power of machine is

1. 0.12 kW
2. 1.2 kW
3. 6.0 kW
4. 300 kW

B

MCQ. Energy in relevance to time is related to

1. Efficiency
2. Work
3. Power
4. Force

C

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