O Level Courses

Chapter 2: IGCSE O Level Physics Exam Tests

IGCSE O Level Physics MCQs - Chapter 2

# Energy, Work and Power Multiple Choice Questions (MCQs) PDF Download - 1

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The Multiple Choice Question (MCQ Quiz): Output of a truck is 4500 J and its efficiency is 50%, input energy provided to truck is; "Energy, Work and Power" App Download (Free) with answers: 900 J; 5000 J; 9000 J; 500 J; for best online ACT prep class. Solve Inertia, Mass & Weight Quiz Questions, download Google eBook (Free Sample) for online colleges that offer certificate programs.

## Energy, Work & Power Questions and Answers : MCQ Quiz 1

MCQ 1:

Output of a truck is 4500 J and its efficiency is 50%, the input energy provided to the truck is

1. 5000 J
2. 900 J
3. 9000 J
4. 500 J
MCQ 2:

Potential energy and kinetic energy are types of

1. Electrical energy
2. Magnetic energy
3. Thermal energy
4. Mechanical energy
MCQ 3:

In a typical power station, amid a series of energy transfers and conversions, about 70% of the energy input gets wasted in the form of thermal energy, the efficiency of such a power station is about

1. 0.3
2. 0.4
3. 0.7
4. 1
MCQ 4:

A car uses total energy of 2500 J and the output is 750 J. The efficiency of the car is

1. 50%
2. 30%
3. 25%
4. 80%
MCQ 5:

In order to do work, energy is

1. transferred or converted
2. used up
3. lost
4. lost or transferred

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