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

C

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

A

MCQ. Wire coil is wound round neck of a

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

A

MCQ. One of causes of overloading is

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

B

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

A