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Efficiency O Level Physics MCQ Questions with Answers PDF Download eBook

Practice Efficiency O Level Physics Multiple Choice Questions (MCQ), efficiency o level physics quiz answers PDF worksheet, O level physics test for online entrance exam. Solve energy, work and power Multiple Choice Questions and Answers (MCQs), "Efficiency O Level Physics" quiz questions and answers for online college courses. Learn energy and units, power in physics test prep for best online ACT prep class.

"Output of a truck is 4500 J and its efficiency is 50%, the input energy provided to the truck is" Multiple Choice Questions (MCQ) on efficiency: o level physics with choices 5000 j, 900 j, 9000 j, and 500 j for online college courses. Solve efficiency o level physics quiz questions for merit scholarship test and certificate programs for online colleges that offer certificate programs. Efficiency: O Level Physics Video

MCQs on Efficiency O Level Physics PDF Download eBook

MCQ: 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

C

MCQ: 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

A

MCQ: 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%

B

MCQ: Formula for efficiency is

  1. (energy input / energy output) × 100
  2. (energy input / energy output) × 100
  3. (useful energy input / energy output) × 100
  4. (useful energy output / total energy input) × 100

D

MCQ: Efficiency of a machine is measured by

  1. (Wasted Energy Output ⁄ Energy Input) × 100 %
  2. (Energy Input ⁄ Wasted Energy Output) × 100 %
  3. (Useful Energy Output ⁄ Energy Input) × 100 %
  4. (Energy Input ⁄ Useful Energy Output) × 100 %

C