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

  • question_answer
    Directions: In the following questions, a statement of Assertion (A) is followed by a statement of Reason (R). Mark the correct choice as:
    Assertion (A): Increasing the charge on the plates of a capacitor means increasing the capacitance.
    Reason (R): Capacitance is directly proportional to charge.

    A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A)

    B) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A)

    C) Assertion (A) is true but Reason (R) is false

    D) Assertion (A) is false and Reason (R) is also false

    Correct Answer: D

    Solution :

    (d) On increasing the charge, potential increases. But capacity of a capacitor is fixed by geometry of condenser\[\left( C=\frac{{{\varepsilon }_{0}}A}{d} \right)\]. Capacitance is independent of charge.


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