Electrical Circuits and Electric Currents Multiple Choice Questions 30 PDF Download

Practice electrical circuits and electric currents MCQs, grade 7 online science test 30, electricity billing multiple choice questions and answers. Electricity billing revision test has science worksheets, helping 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, viva interview questions. Free science study guide to practice 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 of the 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. The filament bulb glows, when it reaches the temperature of

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

D