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Electric Motors MCQ App Download - Grade 7 Science PDF e-Book

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Electric Motors MCQ (Multiple Choice Questions) PDF Download

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7th Grade Science App (Play Store) 7th Grade Science App (App Store)

The Electric motors Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electric Motors MCQ PDF e-Book) download to learn Grade 7 Science Tests. Study Electrical Circuits and Electric Currents Multiple Choice Questions and Answers (MCQs), Electric Motors quiz answers PDF to study online certificate courses. The Electric Motors MCQ App Download: Free Grade 7 Science App to learn electrical circuits and currents, electric motors, chemical effect of electric current test prep for online courses.

The MCQ: To make the coil keep rotating, the current is reversed after every half turn by a device called "Electric Motors" App Download [Free] with answers: brush, commutator, mutator, and carbon spring to study online certificate courses. Solve Electrical Circuits and Electric Currents Quiz Questions, download Apple e-Book (Free Sample) for online courses.

Electric Motors Questions and Answers PDF Download

MCQ: 1

To make the coil keep rotating, the current is reversed after every half turn by a device called

  1. brush
  2. commutator
  3. mutator
  4. carbon spring
MCQ: 2

A magnet may attract or repel by

  1. another magnet
  2. electric current
  3. resistor
  4. dynamo
MCQ: 3

Electric motor changes electrical energy into

  1. potential energy
  2. thermal energy
  3. heat energy
  4. kinetic energy
MCQ: 4

Many machines we use, are powered by

  1. thermal energy
  2. sound energy
  3. electric motors
  4. dynamos
MCQ: 5

The magnetic field of the coil and the permanent magnet

  1. attract each other
  2. repel each other
  3. combine with each other
  4. stay with each other

Class 7 Science Practice Tests

Electric Motors Learning App: Free Download Android & iOS

The App: Electric Motors MCQs App to learn Electric Motors Notes, 7th Grade Science MCQ App, and Earth Science MCQ App. The "Electric Motors" App to Free Download 7th Grade Science MCQs Apps (iOS & Android) for online courses. Download App Store & Play Store study Apps with all functionalities to study online certificate courses.

Electric Motors Apps (Android & iOS)

Electric Motors App

7th Grade Science Apps (Android & iOS)

7th Grade Science App

Earth Science Apps (Android & iOS)

Earth Science App

8th Grade Science Apps (Android & iOS)

8th Grade Science App