12th Class Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Assertion And Reason (MCQs) - Moving Charges and Magnetism

  • question_answer
    ASSERTION: Out of galvanometer, ammeter and voltmeter, resistance of ammeter is lowest and resistance of voltmeter is highest.
    REASON: An ammeter is connected in series and a voltmeter is connected in parallel, in a circuit.

    A) If both assertion and reason are true and reason is the correct explanation of assertion.

    B) If both assertion and reason are true and reason is not the correct explanation of assertion.

    C) If assertion is true but reason is false.

    D) If both assertion and reason are false.

    E) If assertion is false but reason is true.

    Correct Answer: B

    Solution :

    In a voltmeter, a high resistance is connected in series with a galvanometer. That is why resistance of voltmeter is highest. In an ammeter, a low resistance is connected in parallel with a galvanometer that is why resistance of ammeter is lowest.


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