Class 10 Online Courses

Chapter 4: Class 10 Physics Exam Tests

Class 10 Physics MCQs - Chapter 4

# Electromagnetism Multiple Choice Questions PDF Download - 1

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## Electromagnetism Questions & Answers : MCQ Quiz 1

MCQ 1: In a transformer, the primary coil is connected to

A) Alternating current (AC) source
B) Direct current (DC) source
C) resistor
D) inductor

MCQ 2: Weak ionic current in our body that travels along the nerve can produce the

A) atoms
B) heat
C) potential difference
D) magnetic effect

MCQ 3: Electric motors works on the principle of

A) capacitors
B) friction
C) couple
D) torque

MCQ 4: A transformer is designed to convert the voltage from 240 V a.c mains to 12 V, and has 4000 turns on its primary coil. The turns on its secondary coil should be

A) 100
B) 200
C) 120
D) 480

MCQ 5: In transformer the changing current in primary coil induces changing magnetic field in

A) resistor
B) inductor
C) insulator
D) secondary coil

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