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The Electrical circuits and electric currents Multiple Choice Questions (MCQs) with Answers PDF (Electrical Circuits and Electric Currents MCQs PDF e-Book) download Ch. 6-53 to study Class 7 Science Course. Learn Electrical Circuits and Electric Currents Quiz Questions and Answers to study online school courses. Download the Class 7 Science App – Free Electrical Circuits and Electric Currents MCQs App for uses of electromagnets, earth wires, fuses and circuit breakers, current and energy test prep for online education programs.

The MCQ: Loudspeaker changes the electric signals into; "Class 7 Science" App Download [Free] with answers: heat and sound waves, light waves and heat, sound waves, and heat energy to study online school courses. Solve Uses of Electromagnets MCQ Questions, download Google e-Book (Free Chapter) for elementary school graduation certificate.

Electrical Circuits and Electric Currents MCQs – Practice Test 53 PDF Download

MCQ 261: The loudspeaker changes the electric signals into:

  1. light waves and heat
  2. heat and sound waves
  3. sound waves
  4. heat energy

MCQ 262: Earth wire is a wire that:

  1. is used to earth excess current
  2. insulates excess current
  3. diffuses excess current
  4. recharges voltage

MCQ 263: The wire coil is wound round the neck of a:

  1. paper cone
  2. magnet
  3. bass tube
  4. mechanical magnet

MCQ 264: One of the causes of overloading is:

  1. long circuit
  2. short circuit
  3. overloaded cables
  4. heavy circuit

MCQ 265: Sometimes, bulb does not light up even if the circuit is complete because the:

  1. energy is low
  2. power is low
  3. resistance is high
  4. electric charges are insufficient

Electrical Circuits and Electric Currents MCQs App & e-Book – Class 7 Science Competitive Exam

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Electrical Circuits and Electric Currents MCQ App (iOS & Android)

Electrical Circuits and Electric Currents MCQ App

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7th Grade Science MCQ App

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Earth Science MCQs App

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Download Electrical Circuits and Electric Currents eBook

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