JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Capacitance

  • question_answer
    The electric field between the plates of a parallel plate capacitor when connected to a certain battery is \[{{E}_{0}}\]. If the space between the plates of the capacitor is filled by introducing a material of dielectric constant K without disturbing the battery connections, the field between the plates shall be                                             [AMU (Med.) 2002]

    A)            \[K{{E}_{0}}\]                       

    B)            \[{{E}_{0}}\]

    C)            \[\frac{{{E}_{0}}}{K}\]      

    D)            None of the above

    Correct Answer: B

    Solution :

               In the presence of battery potential difference remains constant. Also \[E=\frac{V}{d},\] so E remains same.


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