Class 10 Physics MCQs - Chapter 4

Electromagnetism Multiple Choice Questions (MCQ) PDF - 10

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The MCQs: Total force acting on the armature can be increased by increasing the; "Electromagnetism" App Download Android & iOS (Free) with answers number of turns of coil, coil's current, area of coil to learn online high school courses. Practice dc motor quiz questions, download Apple Book (Free Sample) for free online classes.

Electromagnetism Questions & Answers PDF Download: MCQ Quiz 10

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

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