12th Class Physics Electrostatics & Capacitance Question Bank Assertion And Reason (MCQs) - Electric Potential and Capacitance

  • question_answer
    ASSERTION: Charge on all the condensers connected in series is the same.
    REASON: Capacitance of capacitor is directly proportional to charge on it.

    A) If both assertion and reason are true and reason is the correct explanation of assertion.

    B) If both assertion and reason are true and reason is not the correct explanation of assertion.

    C) If assertion is true but reason is false.

    D) If both assertion and reason are false.

    E) If assertion is false but reason is true.

    Correct Answer: C

    Solution :

    Let two capacitors be connected in series. If +q charge is installed on left plate of the first capacitor then -q charge is induced on right plate of this capacitor. This charge comes from electron drawn from the left plate of second capacitor. Thus there will be equal charge +q on the left plate of second capacitor and -q charge induced on the right plate of second capacitor. Thus each capacitor has same charge (q) when connected in series. Capacitance is quantity dependent on conservation of capacitor and independent of charge.


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