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12th Class Physics Current Electricity, Charging & Discharging Of Capacitors / वर्तमान बिजली, चार्ज और कैपेसिटर का निर Question Bank MCQs - Current Electricity

  • question_answer
    In a potentiometer of 5 wires, the balance point is obtained on the 3rd wire. To shift the balance point to the 4th wire,

    A) current of the main circuit is to be decreased.

    B) current of the main circuit is to be increased.

    C) the shifting is not possible

    D) None of the above

    Correct Answer: A

    Solution :

    Option [a] is correct. Explanation: To shift the balance point of a potentiometer to a higher length, the potential gradient of the wire is to be decreased. This can also be achieved by decreasing the current of the main circuit. So, this is a true statement.


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