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Efficiency MCQ Questions with Answers PDF Download eBook

Efficiency Multiple Choice Questions (MCQ) to solve efficiency quiz answers PDF worksheet, 9th grade physics test for online courses. Practice work and energy Multiple Choice Questions and Answers (MCQs), "Efficiency" quiz questions PDF for school certificate. Learn forms of energy, interconversion of energy, potential energy, physics practice questions, efficiency test prep for free online classes.

"The efficiency of a solar cell is" Multiple Choice Questions (MCQ) on transmission of light signals through optical fibers with choices 0.8, 0.35, 0.55, and 0.03 for school certificate. Solve work and energy quiz questions for online certificate programs for online school courses.

MCQs on Efficiency PDF Download eBook

MCQ: The efficiency of a solar cell is

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


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

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


MCQ: The efficiency of the 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


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


MCQ: If some energy given to a system, then energy in the 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