Electrical Circuits and Electric Currents Multiple Choice Quiz Questions 36 pdf Download

Practice science quiz 36 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 evaporation, distillation, electrolysis and thermal decomposition of multiple choice questions (MCQ) with chemical effect of electric current quiz as most common process for manufacturing of products from salt solution is 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 36

MCQ. Most common process for manufacturing of products from salt solution is

  1. distillation
  2. evaporation
  3. electrolysis
  4. thermal decomposition

C

MCQ. To reduce flow of electric circuit and danger of overheating, resistor used is

  1. Variable resistor
  2. Thermistor
  3. Transistor
  4. Fixed resistor

D

MCQ. In 1 minute, a 500W toaster uses five times more energy than a

  1. 200W kettle
  2. 1000W iron
  3. 100W bulb
  4. 25W LED bulb

C

MCQ. When switch is closed, magnet pulls out the

  1. splinter from eye
  2. eyeball
  3. lens of the eye
  4. retina

A

MCQ. Bulbs give off electrical energy in form of

  1. heat energy only
  2. light energy only
  3. heat and light energy
  4. heat, light and sound energy

C