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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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231
Lagging of magnetic flux density behind magnetic field is known as
232
A straight wire carrying current will experience a force when placed in a uniform magnetic field if
233
A long wire carrying a current of 1 A is placed perpendicular to an external magnetic field of 0.50 gauss. The distance of the neutral point from the long wire is
234
In a circular coil of radius R, the magnetic field at the centre is proportional to
235
122. The magnetic field near a current carrying conductor is given by
236
The pointer of a magnetic compass:
237
42. A beam of ions with velocity 2 × 10³ m s⁻¹ enters normally into a uniform magnetic field of 4 × 10⁻² T. If the specific charge of the ions is 5 × 10⁷ C kg⁻¹, the radius of the circular path described will be
238
A circular loop 'A' has radius R and current I flows through it. Another circular loop 'B' is of radius 2R and a current of 2I flows through it. Ratio of magnetic fields at their centres is
239
The ratio of intensity of magnetization to the magnetic force is known as
240
Which one of the following substances is not magnetic ?