Important Questions for Class 12 Physics HSC Board

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    Important Questions for Class 12 Physics HSC Board. We covered all the Important Questions for Class 12 Physics HSC Board in this post for free so that you can practice well for the exam.

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    Important Questions for Class 12 Physics HSC Board mcqs for Students

    The capacitance of a parallel plate Capacitor depends on:

    a) The area of the plates

    b) The dielectric material between the plates

    c) The distance separating the plates

    d) All of these

    Option d – All of these

    The capacitance of a parallel plate Capacitor does not depend on:

    a) The area of the plates

    b) The material of the plates

    c) The dielectric medium between the plates

    d) The distance between the plates

    Option b – The material of the plates

    A parallel plate Capacitor has a capacitance of 5 μF. If the distance between its plates is halved, the new capacitance will be:

    a) 2.5 μF

    b) 5 μF

    c) 10 μF

    d) 7.5 μF

    Option c – 10 μF

    For a Capacitor with capacitance C discharging through a resistor R, let t₁ be the time for its stored energy to drop to half, and t₂ the time for its charge to fall to one-fourth. Then the ratio t₁/t₂ is:

    a) 2

    b) 1/2

    c) 1

    d) 1/4

    Option d – 1/4

    Two charges are separated by a distance. If a glass slab is inserted between them, the electrostatic force between the charges will:

    a) Decrease

    b) Increase

    c) Remain unchanged

    d) Become infinite

    Option a – Decrease

    To reduce the capacitance of a parallel plate Capacitor, the separation between the plates should be:

    a) Reduced while increasing the plate area

    b) Decreased while reducing the plate area

    c) Increased while increasing the plate area

    d) Increased while decreasing the plate area

    Option d – Increased while decreasing the plate area

    A parallel plate Capacitor of capacitance C has its plate separation doubled. The new capacitance will be:

    a) 2C

    b) C/2

    c) C/4

    d) C

    Option b – C/2

    The capacitance of a parallel plate Capacitor can be increased by:

    a) Increasing the separation between the plates

    b) Decreasing the separation between the plates

    c) Increasing the charge on the Capacitor

    d) Decreasing the charge on the Capacitor

    Option b – Decreasing the separation between the plates

    We covered all the important Questions for Class 12 Physics HSC Board above in this post for free so that you can practice well for the exam.

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