Electrical Circuits and Electric Currents Multiple Choice Questions 11 PDF Download

Practice electrical circuits and electric currents MCQs, grade 7 online science test 11, uses of electromagnets multiple choice questions and answers. Uses of electromagnets revision test has science worksheets, helping answer key with choices as thick, thin, vibrate and oscillate of multiple choice questions (MCQ) with uses of electromagnets quiz as to and fro movement of coil makes cone for competitive exam prep, viva interview questions. Free science study guide to practice uses of electromagnets quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz PDF Download Worksheets 11

MCQ. To and fro movement of coil makes the cone

  1. thin
  2. thick
  3. vibrate
  4. oscillate

C

MCQ. Circuit breakers work

  1. constantly
  2. only once
  3. when there is resistance
  4. when there is magnetic field

A

MCQ. The scientist who discovered relation between electricity and magnetic field was

  1. French
  2. Spanish
  3. Danish
  4. British

C

MCQ. In series, if one bulb goes out, others will

  1. stay on
  2. also turn off
  3. blow up
  4. heat up

B

MCQ. Protons have

  1. positive charge
  2. negative charge
  3. no charge
  4. double charge

A