Electrical Circuits and Electric Currents Multiple Choice Questions and Answers 53 PDF Download

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

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