Class 10 Physics Exam MCQs – Practice Test 20 (Chapter 4)

Electromagnetism Notes Questions with Answers PDF – Test 20

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The "Electromagnetism Notes" App Download: Transformers are used to; MCQ with answers: decrease ac only, increase ac only, constant ac, and increase and decrease ac. Practice Transformer MCQ Questions, download Kobo e-Book (Free Chapter) to enhance learning ability.

Electromagnetism Notes Q&A PDF Download – Practice Test 20

MCQ 96: A practical application of mutual induction is called:

generator
fuse
circuit breaker
transformer

MCQ 97: Transformers are used to:

increase AC only
decrease AC only
constant AC
increase and decrease AC

MCQ 98: As per Michael Faraday, the force is increased if the:

current in the wire is increased
magnetic field's strength increased
length of wire increased
all of above

MCQ 99: When a current passes through a conductor, it produces:

electric field
magnetic field
electromagnetic field
mechanical field

MCQ 100: Transformers are the application of:

induction
mutual induction
electrostatics
mutual charges

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