Electrical Circuits and Electric Currents Multiple Choice Questions 51 PDF Download

Practice electrical circuits and electric currents MCQs, grade 7 online science test 51, conductors and insulators multiple choice questions and answers. Conductors and insulators revision test has science worksheets, helping answer key with choices as generators, dynamos, electronics and electrical appliances of multiple choice questions (MCQ) with conductors and insulators quiz as 'semiconductors' are used in for competitive exam prep, viva interview questions. Free science study guide to practice conductors and insulators quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz PDF Download Worksheets 51

MCQ. 'Semiconductors' are used in

  1. dynamos
  2. generators
  3. electronics
  4. electrical appliances

C

MCQ. When there is high current, the circuit breaker is switched off because of

  1. electromagnetic strength
  2. magnetic strength
  3. electric strength
  4. energy of voltage

A

MCQ. When the current flows opposite way, the cone is pulled

  1. inwards
  2. forward
  3. backward
  4. outwards

A

MCQ. The repulsion between magnetic field of coil and permanent magnet makes the coil

  1. halt
  2. cease
  3. rotate
  4. attract

C

MCQ. The complete equipment of 'electrolysis' is known as

  1. electrolytic cell
  2. electrolytic circuit
  3. electrolytic current
  4. electrolytic process

A