Electric Power MCQs Test and Answers pdf Download

Practice electric power MCQs and physics for test prep and learning. Free current electricity notes has multiple choice questions (MCQ) with electric power quiz as if we double both current and voltage keeping resistance constant then power is with answering options unchanged, halves, doubles and quadruples for exam preparation. Study to learn electric power quiz with MCQs to find questions answers based online tests.

MCQs on Electric Power

MCQ. If we double both current and voltage keeping resistance constant then power is

  1. unchanged
  2. halves
  3. doubles
  4. quadruples

D

MCQ. If a light bulb is switched on for 20 s and it consumes 2400 J of electrical energy then it's power is

  1. 60 W
  2. 70 W
  3. 80 W
  4. 90 W

A

MCQ. Amount of energy supplied by current in unit time is called

  1. electric energy
  2. friction
  3. resistance
  4. Electric power

D

MCQ. If resistance of an electric bulb is 500 Ω and voltage across its ends is 250 V then power consumed by it is

  1. 130 W
  2. 125 W
  3. 120 W
  4. 200 W

B