Class 10 Physics MCQs – Practice Test 1 (Chapter 4)

Electromagnetism MCQs with Answers PDF Download – Test 1

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Electromagnetism MCQs – Practice Test 1 PDF Download

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

Alternating current (AC) source
Direct current (DC) source
resistor
inductor

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

atoms
heat
potential difference
magnetic effect

MCQ 3: Electric motors works on the principle of:

capacitors
friction
couple
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:

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

resistor
inductor
insulator
secondary coil

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