Efficiency MCQs, efficiency quiz answers for online secondary school courses. Work and energy multiple choice questions (MCQs), efficiency quiz questions and answers for online secondary education degree. Physics practice questions, forms of energy, kinetic energy, potential energy, efficiency test prep for secondary school teaching certification.

Learn physics MCQs: the efficiency of a solar cell is, with choices 0.8, 0.35, 0.55, and 0.03 for online secondary education degree. Free physics student portal for online learning efficiency quiz questions, MCQs to find questions answers based online learning tests.

MCQ: The efficiency of a solar cell is

1. 0.8
2. 0.35
3. 0.55
4. 0.03

D

MCQ: (required form of output/total input energy)×100 is equal to

1. % power
2. % efficiency
3. % stress
4. % strain

B

MCQ: Efficiency of cyclist when he does 12 J of useful work from every 100 J of food energy he takes is

1. 0.13
2. 0.14
3. 0.12
4. 0.15

C

MCQ: An body builder does 15 Joules of useful work from every 60 Joules of food energy which he takes. His efficiency will be

1. 0.15
2. 0.25
3. 0.3
4. 0.35

B

MCQ: If some energy given to a system, then energy in required form obtained is always

1. less than the given energy
2. equal to the given energy
3. greater than the given energy
4. none of above

A