Electrical Circuits and Electric Currents Multiple Choice Questions 18 PDF Download

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Science multiple choice questions (MCQ) on radio, tv, cd player and sound system have with choices microphones, loudspeakers, antennas and cathode tubes, uses of electromagnets quiz for competitive exam prep, summative and formative assessment interview questions with answers key. Free science study guide to learn uses of electromagnets quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz PDF Download Worksheets 18

MCQ. Radio, TV, CD Player and sound system have

  1. loudspeakers
  2. microphones
  3. antennas
  4. cathode tubes


MCQ. A part of an electric circuit which is used to limit amount of electric current flowing through circuit is known as

  1. diode
  2. thermistor
  3. radiator
  4. resistor


MCQ. Slowing down of electrons depends upon

  1. material
  2. mass of conductor
  3. volume of conductor
  4. length of conductor


MCQ. When water is electrolyzed, gas collected at cathode, is

  1. sulphur
  2. oxygen
  3. hydrogen
  4. sulphur dioxide


MCQ. For protection of electrical appliances

  1. resistors can be used
  2. fuses can be used
  3. thick wires can be used
  4. thin wires can be used