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Electromagnetic Induction MCQs

Prepare for Electromagnetic Induction MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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Topic Notes: Electromagnetic Induction

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Master Electromagnetic Induction MCQs for Competitive Exams with our comprehensive, verified question bank. Designed for students and competitive exam aspirants across Pakistan, this study resource provides topic-wise practice questions for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests.

Exam Focus
Aligned with FPSC, PPSC, and CSS syllabus criteria for Electromagnetic Induction.
Past Papers
Includes frequently repeated questions from past examinations.
Solved & Verified
Each question features verified answers and conceptual explanations.

Preparation Guide & Key Focus Areas for Electromagnetic Induction MCQs

When preparing for Electromagnetic Induction MCQs (Physics), focus on core definitions, historical timelines, relevant provisions, and commonly tested factual points. Review each question below, test your knowledge against the given options, and inspect the detailed explanation to solidify your understanding.

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91
Which part of a simple d.c. motor reverses the direction of current through the coil every half cycle?
92
418 Electromagnetic induction is involved in
93
476 The SI unit of susceptance is
94
In a step-up transformer, the turns ratio is 1 : 10. A resistance of 200 ohm connected across the secondary is drawing a current of 0.5 A. What is the primary voltage and current?
95
In an LCR circuit, impedance is minimum when
96
_____ is the apparatus for stepping up or down the voltage of AC supply.
97
55. With the decrease of current in primary coil from 2 ampere to zero value in 0.10 second, the emf generated in the secondary coil is 100 volt. The mutual inductance of two coils is
98
A D.C. motor converts
99
459 A transformer works on the principle of
100
52. When the number of turns in a coil is doubled without any change in the lines, the coil, its self inductance becomes