Class 7 Science Online Tests
Electric Motors MCQ (Multiple Choice Questions) PDF Download
Apps:
The Electric motors Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electric Motors MCQ PDF e-Book) download to practice Grade 7 Science Tests. Study Electrical Circuits and Electric Currents Multiple Choice Questions and Answers (MCQs), Electric Motors quiz answers PDF for homeschool certification courses. The Electric Motors MCQ App Download: Free learning app for electrical circuits and currents, electric motors, chemical effect of electric current test prep for virtual elementary school.
The MCQ: A magnet may attract or repel by; "Electric Motors" App Download (Free) with answers: Another magnet; Electric current; Resistor; Dynamo; for homeschool certification courses. Solve Electrical Circuits and Electric Currents Quiz Questions, download Apple eBook (Free Sample) for virtual elementary school.
Electric Motors MCQs: Questions and Answers PDF Download
To make the coil keep rotating, the current is reversed after every half turn by a device called
- brush
- commutator
- mutator
- carbon spring
A magnet may attract or repel by
- another magnet
- electric current
- resistor
- dynamo
Electric motor changes electrical energy into
- potential energy
- thermal energy
- heat energy
- kinetic energy
Many machines we use, are powered by
- thermal energy
- sound energy
- electric motors
- dynamos
The magnetic field of the coil and the permanent magnet
- attract each other
- repel each other
- combine with each other
- 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 Textbook, 7th Grade Science MCQ App, and 6th Grade Science MCQ App. The "Electric Motors MCQs" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!
7th Grade Science MCQs eBook Download
Grade 6 Science Career Tests
Grade 7 Science Practice Tests
Grade 6 Science MCQ Questions
- Cells that detect change are known as
- Green pigment in leaves and stem of plants, that absorbs sunlight for process of photosynthesis is known as
- Sublimation is a technique that helps chemists to
- Loam contain suitable nutrients for plants growth and it can
- As specimen is in perfect focus, we should turn knob of