Grade 7 English MCQs

Electrical Circuits and Electric Currents Multiple Choice Questions Test 19 Tests pdf Download

Practice science test 19 on electrical circuits and electric currents MCQs, grade 7 resistors multiple choice questions and answers. Resistors revision test has science worksheets, answer key with choices as variable resistors, fixed resistors, thermistors and fixators of multiple choice questions (MCQ) with resistors quiz as the resistors that have set resistance are known as for competitive exam prep. Free science study guide to learn resistors quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz pdf Download Worksheets 19

MCQ. Resistors that have set resistance are known as

  1. Fixed resistors
  2. Variable resistors
  3. Thermistors
  4. Fixators

A

MCQ. If temperature rise is very high, it can be used in

  1. electric lamps
  2. electric heaters
  3. electric coolers
  4. electric fans

A

MCQ. First thing on which amount of energy used depends, is

  1. amount of ions in the wire
  2. amount of resistance
  3. amount of electron flow
  4. length of time the appliance is used

D

MCQ. An example in which light emitting diodes are used is

  1. calculator
  2. hard drive
  3. optical drive
  4. analog watch

A

MCQ. When an electric current is forced through a conductor against resistance, electrons collide with atoms of conductor, which makes them

  1. hot
  2. cold
  3. vibrate faster
  4. collide more

C