Class 10 Physics MCQs – Practice Test 15 (Chapter 4)

Electromagnetism Quiz with Answers PDF Download – Test 15

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Electromagnetism Quiz – Practice Test 15 PDF Download

MCQ 71: To increase or decrease AC voltages, we use:

fuse
circuit breaker
transformer
generator

MCQ 72: The magnitude of induced e.m.f in a circuit depends on the:

speed of relative motion of coil
speed of relative motion of magnet
number of turns of the coil
all of above

MCQ 73: The value of induced Electromotive force (EMF) is directly proportional to:

current through coil
voltage applied
no. of field lines
resistivity

MCQ 74: When the surface is held parallel to the magnetic lines of force, the number of lines of force is:

negative
zero
maximum
minimum

MCQ 75: The number of magnetic lines of force passing through any surface is called:

nature of magnetic field
strength of magnetic field
work of magnetic field
weakness of magnetic field

Electromagnetism Quiz App & e-Book – Class 10 Physics Study Material

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