Electrical Circuits and Electric Currents Multiple Choice Questions 27 PDF Download

Practice electrical circuits and electric currents MCQs, grade 7 online science test 27, resistors multiple choice questions and answers. Resistors revision test has science worksheets, helping answer key with choices as variable resistor, transistor, thermistor and fixed resistor of multiple choice questions (MCQ) with resistors quiz as the volume control regulator in a cd receiver, radio and amplifier also use for competitive exam prep, viva interview questions. Free science study guide to practice resistors quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz PDF Download Worksheets 27

MCQ. The volume control regulator in a CD receiver, radio and amplifier also use

  1. transistor
  2. variable resistor
  3. thermistor
  4. fixed resistor

B

MCQ. Maglev trains float on the track because of

  1. friction
  2. energy
  3. electromagnetism
  4. mechanical repulsion

C

MCQ. Another gas, that is used as replacement of argon is known as

  1. oxygen
  2. carbon monoxide
  3. nitrogen
  4. hydrogen

C

MCQ. Ammeter can be connected anywhere because current is

  1. same in the whole circuit
  2. least near the bulb
  3. least near the cell
  4. greatest near the switch

A

MCQ. 1000mA of current is equal to

  1. 1A
  2. 10A
  3. 100A
  4. 0.1A

A