JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Self Evaluation Test - Electrostatic Potential and Capacitance

  • question_answer
    The capacitor, whose capacitance is 6, 6 and\[3\mu F\]respectively are connected in series with 20 volt line. Find the charge on \[3\mu F\].

    A) \[30\mu C\]

    B) \[60\mu F\]

    C) \[15\mu F\]

    D) \[90\mu F\]

    Correct Answer: A

    Solution :

    [a] in series \[\frac{1}{C}=\frac{1}{{{C}_{1}}}+\frac{1}{{{C}_{2}}}+\frac{1}{{{C}_{3}}}\] and charge on each capacitor is same.


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