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JEE Main & Advanced Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank Different Measuring Instruments

  • question_answer
    The figure shows a circuit diagram of a ?Wheatstone Bridge? to measure the resistance G of the galvanometer. The relation \[\frac{P}{Q}=\frac{R}{G}\] will be satisfied only when

    A)                    The galvanometer shows a deflection when switch S is closed

    B)                    The galvanometer shows a deflection when switch S is open

    C)                    The galvanometer shows no change in deflection whether S is open or closed

    D)                    The galvanometer shows no deflection

    Correct Answer: C

    Solution :

                 In balance condition, no current will flow through the branch containing S.


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