JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Capacitance

  • question_answer
    When air in a capacitor is replaced by a medium of dielectric constant K, the capacity                                      [NCERT 1990; CPMT 1972, 82, 90; MP PMT 1993;                                                 MP PET 1994; KCET 1994]

    A)                    Decreases K times     

    B)            Increases K times

    C)                    Increases \[{{K}^{2}}\]times                                     

    D)            Remains constant

    Correct Answer: B

    Solution :

               \[{{C}_{medium}}=K\times {{C}_{air}}\]


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