Electrical Circuits and Electric Currents Multiple Choice Quiz Questions 40 pdf Download

Practice science quiz 40 on electrical circuits and electric currents MCQs, grade 7 chemical effect of electric current multiple choice questions. Free chemical effect of electric current guide has science worksheet with answering options electric separation, separation, electrolysis and electric filtration of multiple choice questions (MCQ) with chemical effect of electric current quiz as process of decomposition by use of electricity is known as for exam prep. Study to learn chemical effect of electric current quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents - Quiz 40

MCQ. Process of decomposition by use of electricity is known as

  1. separation
  2. electric separation
  3. electrolysis
  4. electric filtration

C

MCQ. Rise of temperature due to resistivity is used in

  1. heaters
  2. burners
  3. cookers
  4. volcanoes

A

MCQ. Charges stay where they were produced if material is

  1. conductor
  2. insulator
  3. metal
  4. non-metal

B

MCQ. When sound waves reach our ear, we hear them as

  1. light waves
  2. electronic waves
  3. sound waves
  4. thermal waves

C

MCQ. Metal detectors used in malls, airport, stations and other commercial areas use

  1. magnets
  2. resistors
  3. fuses
  4. electromagnets

D