Energy, Work and Power Multiple Choice Questions 1 PDF Download

Practice energy, work and power multiple choice questions (MCQs), O level physics test 1 for online exams. Practice efficiency: o level physics MCQs questions and answers on efficiency o level physics, work and energy, energy and units with answers. Free energy, work and power quiz, online study guide has helping answer key with choices as 900 j, 5000 j, 9000 j and 500 j of multiple choice questions as output of a truck is 4500 j and its efficiency is 50%, input energy provided to truck is to test learning skills for viva exam preparation and job's interview questions. Study to learn efficiency: o level physics quiz questions with online learning MCQs for competitive exam preparation test. Efficiency: O Level Physics Video

MCQ on Energy, Work and Power Quiz PDF Download Test 1

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. 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 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. In order to do work, energy is

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

A