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

  • question_answer
    Three capacitors are connected to \[D.C.\] source of \[100\ volts\] shown in the adjoining figure. If the charge accumulated on plates of \[{{C}_{1}},\ {{C}_{2}}\]and \[{{C}_{3}}\] are \[{{q}_{a}},\ {{q}_{b}},\ {{q}_{c}},{{q}_{d}}.{{q}_{e}}\]and\[{{q}_{f}}\] respectively, then                                               [CPMT 1986]

    A)                    \[{{q}_{b}}+{{q}_{d}}+{{q}_{f}}=\frac{100}{9}\,C\]

    B)                    \[{{q}_{b}}+{{q}_{d}}+{{q}_{f}}=0\]

    C)                    \[{{q}_{a}}+{{q}_{c}}+{{q}_{e}}=50\,C\]

    D)                    \[{{q}_{b}}={{q}_{d}}={{q}_{f}}\]

    Correct Answer: D

    Solution :

               In series combination, charge is same on each capacitor.


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