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Magnetic Field and Magnetic Flux MCQs

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

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Topic Notes: Magnetic Field and Magnetic Flux

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 Magnetic Field and Magnetic Flux 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 Magnetic Field and Magnetic Flux.
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 Magnetic Field and Magnetic Flux MCQs

When preparing for Magnetic Field and Magnetic Flux 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
A particle is moving in a uniform magnetic field then
92
The sensitivity of galvanometer can be increased by:
93
An electron (e/m = 1.76 × 10^11 C/kg) enters a region where there is a uniform magnetic field of induction 1.78 × 10^-3 T with a velocity 4 × 10^6 m/s in a direction 30° with the field. The pitch in cm of its helical path in the region is
94
A battery is connected between two points A and B on the circumference of a uniform conducting ring of radius r and resistance R. One of the arcs AB of the ring subtends an angle θ at the centre. The value of the magnetic induction at the centre due to current in the ring is
95
A wire of length L carrying a current I is bent in the form of a circle. The magnetic moment is
96
A charged particle of charge q and mass m is shot into a uniform magnetic field of induction B at an angle θ with the field. The frequency of revolution of the particle
97
For which material magnetic susceptibility is negative?
98
A magnetic needle is placed in a non-uniform magnetic field. Which is correct?
99
The cause of magnetism in magnetic materials is
100
17. Two parallel wires carrying current in the opposite direction: