Energy, work and power multiple choice questions (MCQs), energy, work and power quiz answers, O level physics test prep 1 to learn O level physics, online college degrees courses. Efficiency: o level physics MCQs with answers, energy, work and power quiz questions and answers for admission and merit scholarships test. Practice efficiency: o level physics, work and energy, energy and units career test for physics certifications.

Learn energy, work and power test with multiple choice question: output of a truck is 4500 j and its efficiency is 50%, input energy provided to truck is, with choices 900 j, 5000 j, 9000 j, and 500 j for undergraduate degree. Practice jobs' assessment test for online learning efficiency: o level physics quiz questions for physics major, competitive assessment tests. Efficiency: O Level Physics Video

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

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

C

MCQ: Potential energy and kinetic energy are types of

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

D

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

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

A

MCQ: A car uses total energy of 2500 J and output is 750 J. efficiency of car is

1. 50%
2. 30%
3. 25%
4. 80%

B

MCQ: In order to do work, energy is

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

A