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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.
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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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51
In an induction coil, the coefficient of mutual inductance is 4 henry. If current of 5 A in the primary coil is cut off in 1/1500 second, the emf at the terminals of the secondary coil is
52
Faraday's law of electromagnetic induction is
53
The armature of a D.C. motor has 20 ohm resistance. It draws a current of 1.5 ampere when run by 220 volt D.C. supply. The value of back e.m.f. induced in it will be
54
An electron moves along the line AB, which lies in the same plane as a circular loop of conducting wire as shown. A magnetic induction B constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere. What will be the direction of current induced if any, in the loop?
55
54. The back e.m.f. in a D.C. Motor is maximum when
56
A copper ring is held horizontally and a bar magnet with its length along the axis of the ring is dropped through the ring. The acceleration of the falling magnet is
57
If we make the magnetic field stronger, the value of induced emf is
58
Faraday's law deals with
59
466 The voltage in the primary and the secondary coils of a step-up transformer are 200 V and 4 kV respectively. If primary current is 1 A, then what is the secondary current?
60
495 An alternating current can be produced by