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Practice Electromagnetism quiz questions and answers PDF, electromagnetism trivia questions PDF worksheets to solve grade 10 physics test 15 for online courses. Practice "Electromagnetism" MCQs, electromagnetism quiz questions and answers for online high school courses. Learn transformer, magnetic field versus voltage, electromagnetic induction, electromagnetism test prep for online certifications.

"To increase or decrease AC voltages, we use" Multiple Choice Questions (MCQ) on electromagnetism with choices circuit breaker, fuse, transformer, and generator for online high school courses. Solve electromagnetism quiz questions for school certificate programs for virtual high school.

MCQ: To increase or decrease AC voltages, we use

1. fuse
2. circuit breaker
3. transformer
4. generator

C

MCQ: The magnitude of induced e.m.f in a circuit depends on the

1. speed of relative motion of coil
2. speed of relative motion of magnet
3. number of turns of the coil
4. all of above

D

MCQ: The value of induced Electromotive force (EMF) is directly proportional to

1. current through coil
2. voltage applied
3. no. of field lines
4. resistivity

C

MCQ: When the surface is held parallel to the magnetic lines of force, the number of lines of force is

1. negative
2. zero
3. maximum
4. minimum

D

MCQ: The number of magnetic lines of force passing through any surface is called

1. nature of magnetic field
2. strength of magnetic field
3. work of magnetic field
4. weakness of magnetic field

B