JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Grouping of Capacitors

  • question_answer
    Three condensers each of capacitance \[2F\] are put in series. The resultant capacitance is                                                 [CPMT 1976; NCERT 1981; MP PMT 2001]

    A)                    \[6F\]

    B)                                      \[\frac{3}{2}F\]

    C)                    \[\frac{2}{3}F\]

    D)            \[5F\]

    Correct Answer: C

    Solution :

               \[\frac{1}{C}=\frac{1}{2}+\frac{1}{2}+\frac{1}{2}\]  Þ \[C=\frac{2}{3}F\]    


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