Grade 7 English MCQs

Electrical Circuits and Electric Currents Multiple Choice Questions Test 24 Tests pdf Download

Practice science test 24 on electrical circuits and electric currents MCQs, grade 7 fuses and circuit breakers multiple choice questions and answers. Fuses and circuit breakers revision test has science worksheets, answer key with choices as circuit breakers are used only, fuses are used only, fuses and circuit breakers are used and fuses and resistor are used of multiple choice questions (MCQ) with fuses and circuit breakers quiz as to prevent overload and overheating of wires, for competitive exam prep. Free science study guide to learn fuses and circuit breakers quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz pdf Download Worksheets 24

MCQ. To prevent overload and overheating of wires,

  1. fuses are used only
  2. circuit breakers are used only
  3. fuses and circuit breakers are used
  4. fuses and resistor are used

C

MCQ. Magnetic field of coil and permanent magnet

  1. attract each other
  2. repel each other
  3. combine with each other
  4. cross each other

B

MCQ. ELCB is an abbreviation for

  1. electrolytic circuit breaker
  2. earth locking circuit breaker
  3. earth leakage circuit breaker
  4. electric leakage circuit breaker

C

MCQ. Electricity is needed to

  1. light up homes
  2. clean your car
  3. flush the toilet
  4. change weather

A

MCQ. Block of impure copper is used at

  1. Cathode
  2. Anode
  3. Posit rode
  4. Nematode

B