Physics: Efficiency MCQs Quiz Online PDF Download eBook
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"(a required form of output/total input energy)×100 is equal to" Multiple Choice Questions (MCQ) on magnetic effects of steady current with choices % power, % efficiency, % stress, and % strain for online school courses. Practice work and energy quiz questions for online certificate programs for online certificate courses.
MCQs on Physics Efficiency PDF Download eBook
MCQ: (a required form of output/total input energy)×100 is equal to
- % power
- % efficiency
- % stress
- % strain
B
MCQ: An body builder does 15 Joules of useful work from every 60 Joules of food energy which he takes. His efficiency will be
- 0.15
- 0.25
- 0.3
- 0.35
B
MCQ: If some energy given to a system, then energy in the required form obtained is always
- less than the given energy
- equal to the given energy
- greater than the given energy
- none of above
A
MCQ: A system which gives an output equal to the total energy used by it is called
- negative system
- non-ideal system
- ideal system
- slow system
C
MCQ: The ratio of required form of energy obtained from a system as output to the total energy given to it as input is called its
- efficiency
- power
- stress
- strain
A