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

Electromagnetism MCQ with Answers PDF Download – Test 10

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Download "Electromagnetism MCQ" App (Android & iOS): Total force acting on the armature can be increased by increasing the; MCQ with answers: number of turns of coil, coil's current, and area of coil. Practice DC Motor MCQ Questions, download Apple Book (Free Chapter) to master optics concepts.

Electromagnetism MCQ – Practice Test 10 PDF Download

MCQ 46: The total force acting on the armature can be increased by increasing the:

coil's current
number of turns of coil
area of coil
all of above

MCQ 47: In the transformer, if the secondary voltage is more than the primary voltage then it is called:

step up transformer
step down transformer
inductor
resistor

MCQ 48: The magnetic field produced either by permanent magnets or by an electromagnet called a:

magnetic field
field coil
circuit breaker
fuse

MCQ 49: A magnetic field must produce a/an:

electric current
field coil
pole
split

MCQ 50: Transformers only work with:

direct current (DC)
alternating current (AC)
charges
radioactive substances

Class 10 Physics Notes App & e-Book – Electromagnetism Exam Prep

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