Class 7 Science MCQ App | Electrical Circuits and Electric Currents e-Book PDF Download

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 30 (Chapter 6)

Electrical Circuits and Electric Currents MCQ with Answers PDF Download – Test 30

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Learn Electrical circuits and electric currents Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electrical Circuits and Electric Currents MCQ PDF e-Book) download Ch. 6-30 to learn Class 7 Science Course. Study Electricity Billing Multiple Choice Questions and Answers (MCQs) PDF, Electrical Circuits and Electric Currents Quiz Questions and Answers to study online school courses. The Class 7 Science MCQ App: Free Electrical Circuits and Electric Currents App Download to learn electricity billing, magnetic effect and electric current, uses of electromagnets, heat and light: resistance test prep for online classes.

The "Class 7 Science MCQ" App (Android, iOS) with MCQ: One kilowatt is equal to; with answers: 100 watts, 10 watts, 1000 watts, and 0.1 watts to study online school courses. Practice Electricity Billing MCQ Questions, download Apple Book (Free Chapter) for online school and college.

Electrical Circuits and Electric Currents MCQ – Practice Test 30 PDF Download

MCQ 146: One kilowatt is equal to:

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

MCQ 147: Small magnets are used in:

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

MCQ 148: In most of the loudspeakers, electrical signals pass through a:

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

MCQ 149: '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

MCQ 150: The filament bulb glows, when it reaches the temperature of:

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

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