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.

274 Solved Questions • 206 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Magnetic Field and Magnetic Flux MCQs on McqsMind. This comprehensive set offers solved multiple-choice questions with answers, detailed explanations, and authentic past-paper style questions aligned with the latest syllabus of Magnetism & Electromagnetism (Physics).

100% Verified Answer Keys CSS, PMS, FPSC, PPSC, NTS Ready 2026/2027 Syllabus Guidelines

Direct Definition & Conceptual Scope

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Magnetic Field and Magnetic Flux constitutes an essential examination topic within Physics, evaluating theoretical principles, historical context, and practical problem-solving applications. On MCQsMind, candidates practice verified past-paper solutions, conceptual breakdowns, and syllabus-aligned questions tailored for CSS, PMS, and competitive screening examinations.

Solved Questions

Practice with answers, explanations, and exam-focused revision notes.

274 MCQs Page 1

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Topic Notes: Magnetic Field and Magnetic Flux

Quick Revision 3 min read 14 key points
Section 1 of 4

1 1. Fundamental Concepts of Magnetic Fields

4 points
  • Definition
    Magnetic Field (B): A vector field surrounding a magnet or electric current that exerts a force on other moving charges or magnetic materials, measured in Tesla (T) or Gauss (G).
  • Definition
    Magnetic Flux (Φ): The measure of the number of magnetic field lines passing through a given surface area, defined as Φ = B · A · cos(θ), measured in Weber (Wb).
  • Fact
    Source of Magnetism: At the atomic level, magnetism arises from the orbital motion of electrons and the intrinsic spin of electrons and nuclei, creating microscopic current loops.
  • Fact Jan 1820
    Oersted's Discovery: The passage of electric current through a conductor creates a magnetic field in the surrounding space, establishing the fundamental link between electricity and magnetism.
Section 1 / 4
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3
A positive charge moving with a constant velocity v enters a region of a uniform magnetic field pointing out of the page. What is the direction of the magnetic force on the charge?
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4
Why are shields made of iron usually provided around precision instruments?
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6
To increase the sensitiveness of a moving coil galvanometer one may
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7
The sensitivity of a galvanometer depends on ____.
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8
The sensitivity of the galvanometer can be increased by increasing the
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9
The coil of a tangent galvanometer is put in the magnetic meridian
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10
The oscillatory systems do not oscillate indefinitely because of
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Pedagogical Syllabus Blueprint

Magnetic Field and Magnetic Flux MCQs: Preparation Strategy & Exam Blueprint

Examination Weightage & Commission Distribution

In Pakistan's premier competitive examinations—including the Federal Public Service Commission (FPSC General Recruitment & CSS MPT), Punjab Public Service Commission (PPSC Lecturer, Tehsildar & PMS Screening), KPPSC, SPSC, and BPSC—questions derived from Magnetic Field and Magnetic Flux MCQs consistently constitute a decisive 10% to 25% weightage of the Magnetism & Electromagnetism paper. Testing agencies frequently evaluate both foundational factual recall and deeper analytical comprehension, requiring aspirants to master key dates, statutory articles, constitutional clauses, and thematic definitions.

High-Yield Conceptual Pillars & Distractor Analysis

Historical trend analysis across past five-year examination cycles demonstrates that examiner traps frequently involve closely matched numerical alternatives, chronologically contiguous treaties, and semantic subtleties in statutory phraseology. When preparing Magnetic Field and Magnetic Flux MCQs, candidates must deliberately review the underlying rationale provided for every question rather than merely memorizing raw answer options. Understanding why incorrect distractors fail is the most reliable predictor of achieving top percentiles in computerized and optical mark recognition (OMR) screening tests.

Negative Marking Mitigation & Time Management Protocol

For examinations enforcing negative marking penalties (such as PPSC's 0.25-mark deduction per erroneous response or NTS gatekeeper quotas), an aggressive elimination technique must be deployed. Candidates should systematically rule out improbable options first to elevate probability thresholds from 25% to 50% or 100%. Allocating an average of 45 to 60 seconds per item during mock trials builds the psychological stamina and cognitive precision required to complete 100-question papers within official 90-minute time limits.

Recommended Reference Sources & Statutory Reading

To achieve definitive conceptual mastery in Physics, candidates are advised to cross-reference our solved explanations with primary gazettes, statutory texts, and canonical academic textbooks. Verifying controversial questions against authentic official repositories guarantees that prospective civil servants and professional candidates present incontestable answers during both optical paper evaluations and viva voce departmental interviews.