Electrical Circuits and Electric Currents Multiple Choice Questions 27 PDF Download

Learn electrical circuits and electric currents MCQs, grade 7 science test 27 for online courses learning and test prep, resistors multiple choice questions and answers. Resistors revision test includes science worksheets to learn for 7th grade science tutoring online free.

Science multiple choice questions (MCQ) on volume control regulator in a cd receiver, radio and amplifier also use with options variable resistor, transistor, thermistor and fixed resistor, resistors quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn resistors quiz to attempt multiple choice questions based test.

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

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

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


MCQ. Maglev trains float on track because of

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


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

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


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


MCQ. 1000mA of current is equal to

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