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Haryana PMT Haryana PMT Solved Paper-2011

  • question_answer
    A parallel plate capacitor is connected across a 2 V battery and charged. The battery is then disconnected and a glass slab is introduced             between plates. Which of the following pairs of                quantities decrease?

    A)                  Charge and potential difference

    B)                  Potential difference and energy stored

    C)                  Energy stored and capacitance

    D)                  Capacitance and charge

    Correct Answer: B

    Solution :

                    When battery is disconnected charge remains constant. On introducing glass slab capaciry increases. Potential difference and energy stored decreases.


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