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Electricity and Magnetism MCQ question and answer with solution | Physics Gk MCQs

Learn Electricity and Magnetism MCQ Questions and answers with easy and logical explanations in Physics Gk . Electricity and Magnetism MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-4 section-4

Each section contains 100 MCQs on Electricity and Magnetism .
31
An electric iron of 1250 W is used 3 h per day. The amount of energy used by that electric iron in a day will be . . . . . . . . . units.
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Answer & Solution
Answer: Option D
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32
A compass needle cannot be used to detect
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Answer & Solution
Answer: Option C
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33
When two or more cells are connected to each other by opposite terminals, then it is called as . . . . . . . .
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Answer & Solution
Answer: Option C
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34
If potential difference and current flowing through a wire is increased twice each, then electric power
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Answer & Solution
Answer: Option B
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35
A current of 0.5 A flowing through resistance of 10 Ω. The amount of electric charge that flows through this resistance in one minute will be-
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Answer: Option A
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36
Which of the following is proportional to the potential difference?
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Answer: Option D
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37
When the length of the wire is doubled. Ammeter reading decreases . . . . . . . .
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Answer: Option B
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38
A.C. is converted into DC by . . . . . . . .
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Answer: Option B
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39
The 'Choke' used with a tube light is basically
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Answer & Solution
Answer: Option A
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40
If the resistance of a circuit is doubled to keep the voltage constant, the electric current flowing in the circuit will be . . . . . . . .
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Answer: Option B
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