Class 7 Online Courses

Class 7 science Practice Tests

Class 7 Science Online Tests

Electric Motors Multiple Choice Questions (MCQ) PDF Download

Free Electric motors Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (Electric Motors MCQ PDF Book) to learn online 7th grade science certificate courses. Solve Electrical Circuits and Electric Currents Multiple Choice Questions and Answers (MCQs), Electric Motors quiz answers PDF to study online certification courses. Free learning App: Electric Motors MCQ App Download & e-Book for electrical circuits and currents, electric motors, chemical effect of electric current test prep for taking online classes.

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 certification courses. Solve electrical circuits and electric currents quiz questions, download Google eBook (Free Sample) for online school and college.

Electric Motors MCQs: 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

A) brush
B) commutator
C) mutator
D) carbon spring

MCQ 2: A magnet may attract or repel by

A) another magnet
B) electric current
C) resistor
D) dynamo

MCQ 3: Electric motor changes electrical energy into

A) potential energy
B) thermal energy
C) heat energy
D) kinetic energy

MCQ 4: Many machines we use, are powered by

A) thermal energy
B) sound energy
C) electric motors
D) dynamos

MCQ 5: The magnetic field of the coil and the permanent magnet

A) attract each other
B) repel each other
C) combine with each other
D) stay with each other

Class 7 Science Practice Tests

Electric Motors Learning App & Free Study Apps

Download Electric Motors MCQs App to learn Electric Motors MCQs, 7th Grade Science Learning App, and 6th Grade Science MCQ App. Free "Electric Motors" App to download Android & iOS Apps includes complete analytics of history with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Electric Motors App (Android & iOS)

Electric Motors App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)