Grade 7 English MCQs

Electrical Circuits and Electric Currents Multiple Choice Questions Test 30 Tests pdf Download

Practice science test 30 on electrical circuits and electric currents MCQs, grade 7 electricity billing multiple choice questions and answers. Electricity billing revision test has science worksheets, answer key with choices as 100 watts, 10 watts, 1000 watts and 0.1 watts of multiple choice questions (MCQ) with electricity billing quiz as one kilowatt is equal to for competitive exam prep. Free science study guide to learn electricity billing quiz to attempt multiple choice questions based test.

MCQs on Electrical Circuits and Electric Currents Quiz pdf Download Worksheets 30

MCQ. One kilowatt is equal to

  1. 10 watts
  2. 100 watts
  3. 1000 watts
  4. 0.1 watts

C

MCQ. Small magnets are used in

  1. switches
  2. plugs
  3. electric bells
  4. fuses

C

MCQ. In most loudspeakers, electrical signals pass through a

  1. magnet
  2. wire coil
  3. spring
  4. resistor

B

MCQ. Electromagnet can be made stronger by increasing

  1. the current in coil
  2. the voltage in coil
  3. the resistance of coil
  4. the thickness of coil

A

MCQ. Filament bulb glows when it reaches temperature of

  1. 1000°C
  2. 1100°C
  3. 1200°C
  4. 1300°C

D