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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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221
Force acting on a charge moving in a magnetic field will not depend upon
222
For which of the following substances, the magnetic susceptibility is independent of temperature
223
An α-particle enters a magnetic field of 1 Tesla with a velocity 10⁵ m/s in direction perpendicular to the field. The force on α-particle is
224
A beam of protons with a velocity of 4 × 10^5 m s^-1 enters a uniform magnetic field of 0.3 T at an angle of 60° to the magnetic field. The radius of the helical path taken by the proton beam is nearly
225
The diagram shows a small magnet hanging on a thread near the end of a solenoid carrying a steady current I. What happens to the magnet as the iron core is inserted into the solenoid?
226
Which statement about magnetism is correct?
227
Two magnetic north poles, each of strength m ampere-metre, are placed at the two vertices of an equilateral triangle of side a. The resultant magnetic induction at the third vertex is
228
If an electron is projected in a magnetic field with a velocity v, it will experience a force which is given by:
229
At a certain place, the angle of dip is 50° and the horizontal component of earth's field is 0.15 T. A beam of protons is moving vertically upwards with a speed of 3 × 10^5 m s^-1. The force on a proton is [cos 50° = 0.6, sin 50° = 0.8]
230
21. At a distance of 10 cm from a long straight wire carrying current, the magnetic field is 0.04 T. At the distance of 40 cm, the magnetic field will be