Electric Power MCQs Quiz Online PDF Download

Electric power MCQs, learn GCE A level physics online test prep for distance education, online courses. Practice electric current, potential difference and resistance multiple choice questions (MCQs), electric power quiz questions and answers. SAT prep on electric power, meaning of voltage, current equation, circuit symbols, electrical current tutorials for online physics lab courses distance learning.

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MCQs on Electric PowerQuiz PDF Download

MCQ: Electric power is related to

  1. current in component
  2. potential difference
  3. electrical resistance
  4. both A and B

D

MCQ: Generators at a power station produce electric power at voltage

  1. 45 kW
  2. 50 kW
  3. 60 kW
  4. 25 kW

D

MCQ: To protect wiring from excessive passing of current is

  1. voltmeter
  2. fuse
  3. galvanometer
  4. resistance

B

MCQ: Current in a 60 W light bulb when it is connected to a 230 V power supply is

  1. 0.26 A
  2. 1.5 A
  3. 2.6 A
  4. 3.9 A

A

MCQ: Grid cables are 15 km long with a resistance of 0.20 Ω km-1, powers wasted as heat in these cables are

  1. 50 kW
  2. 60 kW
  3. 20 kW
  4. 30 kW

D