Electrical Circuits and Electric Currents Multiple Choice Questions 53 PDF Download

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MCQs on Electrical Circuits and Electric Currents Quiz PDF Download Worksheets 53

MCQ. Loudspeaker changes electric signals into

  1. light waves and heat
  2. heat and sound waves
  3. sound waves
  4. heat energy


MCQ. Earth wire is a wire that

  1. is used to earth excess current
  2. insulates excess current
  3. diffuses excess current
  4. recharges voltage


MCQ. Wire coil is wound round neck of a

  1. paper cone
  2. magnet
  3. bass tube
  4. mechanical magnet


MCQ. One of causes of overloading is

  1. long circuit
  2. short circuit
  3. overloaded cables
  4. heavy circuit


MCQ. Sometimes, bulb does not light up even if circuit is complete because the

  1. energy is low
  2. power is low
  3. resistance is high
  4. electric charges are insufficient