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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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211
Magnetic dipole moment per unit volume of a material is termed as
212
_____ is not a good magnet.
213
A current is flowing north along a power line. The direction of the magnetic field above it, neglecting the earth's field is:
214
A ____ in a magnetic field goes from brawnier to the punier parts of the field.
215
The magnetic needle of an oscillation magnetometer makes 10 oscillations per minute under the action of earth's magnetic field only. When a bar magnet is placed at some distance along the axis of the needle, it makes 14 oscillations per minute. If the bar magnet be turned so that its poles interchange the positions, the new frequency of the needle is
216
A magnet of magnetic moment M is rotated through 360° in a magnetic field. The work done is
217
The magnetic field at a distance r from a long wire carrying current I is 0.4 tesla. The magnetic field at a distance 2r is
218
A deuteron of kinetic energy of 50 keV is describing a circular orbit of radius 0.5 metre in a plane perpendicular to magnetic field. The kinetic energy of a proton that describes a circular orbit of radius 0.5 metre in the same plane with the same B is
219
the magnetic field associated with the current will be
220
A magnetic field