Electrical Circuits and Electric Currents Multiple Choice Questions 37 PDF Download

Practice electrical circuits and electric currents MCQs, grade 7 online science test 37, conductors and insulators multiple choice questions and answers. Conductors and insulators revision test has science worksheets, helping answer key with choices as sodium, aluminum, potassium and zinc of multiple choice questions (MCQ) with conductors and insulators quiz as an example of good electrical conductor is 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 37

MCQ. An example of good electrical conductor is

  1. aluminum
  2. sodium
  3. potassium
  4. zinc

A

MCQ. ELCB is also switched off if

  1. faulty earth wire has been used
  2. faulty equipment has been used
  3. faulty switches have been used
  4. two pin plugs have been used

B

MCQ. One of the cause of short circuits is

  1. insulated wiring
  2. fixed resistance
  3. variable resistance
  4. faulty wire insulation

D

MCQ. The main supply system has plugs with

  1. one pin
  2. two pins
  3. three pins
  4. four pins

C

MCQ. The resistor whose resistivity can be varied manually is known as

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

C