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Electricity and Magnetism MCQs for Competitive Exams

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Electricity and Magnetism MCQs for Competitive Exams

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

27 MCQs Page 3

Topic Notes: Electricity and Magnetism

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

Electricity and Magnetism MCQs in General Science-Everyday Science are useful for candidates who need targeted practice for CSS, PMS, FPSC, PPSC, NTS, entry tests, and other competitive exams in Pakistan. This topic page is designed for quick revision, repeated practice, and exam-focused preparation.

Attempt the questions page by page, check the correct answers, read the explanations where available, and compare your weak areas with past papers and mock test performance. Consistent MCQ practice improves speed, confidence, and retention for objective exam sections.

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21
What are the electrical characteristics of a choke coil?
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22
What is the primary function of a condenser in an electrical circuit?
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23
Why are iron shields or casings frequently used to enclose sensitive precision instruments?
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24
When a bar magnet is suspended freely by a string, in which orientation does it align itself?
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25
How do two parallel wires carrying electric current in opposite directions interact with each other?
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26
What is the physical cause for the attraction observed between two parallel wires carrying current in the same direction?
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27
How is alternating current (AC) voltage classified in terms of signal type?
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