Electrical Circuits and Electric Currents MCQ App | Class 7 Science e-Book PDF Download

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Class 7 Science MCQs – Practice Test 18 (Chapter 6)

Electrical Circuits and Electric Currents MCQ with Answers PDF Download – Test 18

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Study Electrical circuits and electric currents Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electrical Circuits and Electric Currents MCQ PDF e-Book) download Ch. 6-18 to learn Class 7 Science Course. Study Uses of Electromagnets Multiple Choice Questions and Answers (MCQs) PDF, Electrical Circuits and Electric Currents Quiz Questions and Answers to learn online certification courses. Free Electrical Circuits and Electric Currents App Download: Class 7 Science MCQ App to learn uses of electromagnets, resistors, electric resistance, electrolysis, electrical safety test prep for online classes.

The "Electrical Circuits and Electric Currents" App [Free] Android & iOS with MCQ: Radio, TV, CD Player and sound system have; with answers: microphones, loudspeakers, antennas, and cathode tubes to learn online certification courses. Practice Uses of Electromagnets MCQ Questions, download Apple Book (Free Chapter) for free online courses.

Electrical Circuits and Electric Currents MCQ – Practice Test 18 PDF Download

MCQ 86: Radio, TV, CD Player and sound system have:

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

MCQ 87: A part of an electric circuit which is used to limit the amount of electric current flowing through the circuit is known as:

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

MCQ 88: The slowing down of electrons depends upon:

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

MCQ 89: When water is electrolyzed, the gas collected at cathode, is:

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

MCQ 90: 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

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