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  3. Chhattisgarh PMT

Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2004

  • question_answer
    After fully charging a parallel plate air capacitor, battery is removed. A dielectric slab is now put between the plates. For this incidence, the correct statement is

    A)  charge on plates decreases

    B)  charge on plates does not change , potential difference increases

    C)  charge on plates does not change? potential difference decreases and energy stored decreases

    D)  charge on plates does not change, potential difference increases and energy stored also increases

    Correct Answer: C

    Solution :

    When a dielectric slab is kept between a parallel plate capacitor, then (i) Charge stored remains steady (ii) Potential decreases to V/K (iii) Capacitance increases to KC (iv) Energy decreases to U/K


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