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12th Class Physics Electrostatics & Capacitance Question Bank Case Based (MCQs) - Electrostatic Potential and Capacitance

  • question_answer
    Three capacitons of 2.0, 5.0 and \[6.0\mu F\]are connected in series to a 10 V source. The charge on the \[3.0\mu F\]capacitor is :

    A) \[5\mu C\]                     

    B) \[10\mu C\]

    C) \[12\mu C\]                   

    D) \[15\mu C\]

    Correct Answer: B

    Solution :

    (b) \[10\mu C\] \[\frac{1}{{{C}_{eq}}}=\frac{1}{2}+\frac{1}{3}+\frac{1}{6}=\frac{6}{6}=\frac{1}{1}\] \[{{C}_{eq}}=1\mu F\] Charge on each capacitor is \[\therefore \,\,\,Q=CV=1\mu F\times 10V\] \[=10\mu C\]


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