Grade 7 Science MCQs
Grade 7 Science MCQ - Topics
Learn Electric motors Multiple Choice Questions (MCQ Quiz), electric motors quiz answers PDF to study 7th grade science online course. Electrical Circuits and Electric Currents Multiple Choice Questions and Answers (MCQs), Electric Motors quiz questions PDF for online education. Electric Motors Book PDF: electrical circuits and currents, electric motors, chemical effect of electric current test prep for taking online classes.
"To make the coil keep rotating, the current is reversed after every half turn by a device called" Multiple Choice Questions (MCQ) on electric motors App APK with brush, commutator, mutator, and carbon spring choices for online education. Study electrical circuits and electric currents quiz questions for online certificate programs for online school and college.
MCQ: To make the coil keep rotating, the current is reversed after every half turn by a device called
MCQ: A magnet may attract or repel by
MCQ: Electric motor changes electrical energy into
MCQ: Many machines we use, are powered by
MCQ: The magnetic field of the coil and the permanent magnet