Capacitors and Capacitance MCQs

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

61 Solved Questions • 46 Mins Practice • Updated for 2026 Competitive Exams
MCQS
2026 Solved Edition · Updated October 2026 · Verified Editorial Standards

Welcome to the verified preparation module for Capacitors and Capacitance 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 Electrostatics (Physics).

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

Direct Definition & Conceptual Scope

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Capacitors and Capacitance 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.

61 MCQs Page 1

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Topic Notes: Capacitors and Capacitance

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

1 1. Fundamentals of Capacitance

4 points
  • Definition
    Capacitor: A passive electronic component consisting of two conductive plates separated by an insulating material (dielectric) used to store electrical energy in an electrostatic field.
  • Definition
    Capacitance (C): The ability of a system to store an electric charge per unit of potential difference, defined as C = Q/V, where Q is charge and V is potential.
  • Fact
    Farad (F): The SI unit of capacitance. One Farad is defined as one Coulomb of charge stored per one Volt of potential difference (1F = 1C/V).
  • Fact
    Energy Storage: The potential energy (U) stored in a charged capacitor is given by U = 1/2 CV², representing the work done to move charges onto the plates.
Section 1 / 4
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1
212 Conductance is the reciprocal of
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2
The ratio of the rms value of the applied voltage to the rms value of resulting a.c. is called
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3
Five equal capacitors, each with capacitance C are connected as shown in the figure. Then the equivalent capacitance between A and B is
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4
A capacitor C1 = 1.0 μF withstands a maximum voltage V1 = 6.0 kV while a capacitor C2 = 2.0 μF withstands the maximum voltage V2 = 4.0 kV. What maximum voltage will the system of these two capacitors withstand when connected appropriately?
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5
Capacitor C1 of capacitance 1 μF and capacitor C2 of capacitance 2 μF are separately charged fully by a common battery. The two capacitors are then separately allowed to discharge through equal resistors at time t = 0. Then
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6
Two capacitors of capacitances 1 uF each are connected in parallel. If they are connected by a 200 V d.c. source, the total energy will be
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7
Three capacitors of 4 μF each are to be connected in such a way that the net capacitance is 6 μF. Then
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8
A radio tuning capacitor is a
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9
Two capacitors each of 1 µF capacitance are connected in parallel and are then charged by 200 V D.C. supply. The total energy of their charges in joule is
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10
The capacitance of a spherical capacitor is 1 µF. If the spacing between the spheres is 1 mm, the radius of the outer sphere is
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Pedagogical Syllabus Blueprint

Capacitors and Capacitance 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 Capacitors and Capacitance MCQs consistently constitute a decisive 10% to 25% weightage of the Electrostatics 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 Capacitors and Capacitance 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.