PYQ Vault

Day 29: MH HSC Class 12 Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Rotational Dynamics. This type asked 2 times: Feb 2025, Feb 2026. This one: Feb 2026

    Q. 7
    A ceiling fan has moment of inertia of 2 kg m22\ \text{kg m}^{2}. It attains maximum frequency of 60 r.p.m. in 2π2\pi seconds. Calculate its power rating.

  2. Question 2

    Electrostatics. This type asked 2 times: Feb 2025, Jun 2025. This one: Jun 2025

    Q. 24
    A parallel plate capacitor is maintained at potential of 400V. If area of plates is 40 cm240\ \text{cm}^{2} and separation between plates is 40 mm, calculate displacement current in 1μs1\mu s.

  3. Question 3

    Magnetic Fields due to Electric Current. This type asked 2 times: Feb 2023, Jun 2025. This one: Jun 2025

    Q. 7
    Assuming an equation of magnetic force due to arbitrarily shaped wire, obtain an expression for force on a closed circuit in a uniform magnetic field.

  4. Question 4

    Magnetic Materials. This type asked 2 times: Mar 2022, Jun 2025. This one: Jun 2025

    Answer the following questions :
    Q. 2(vi)
    What is magnetization?

  5. Question 5

    Magnetic Materials. This type asked 2 times: Feb 2023, Jun 2025. This one: Jun 2025

    Q. 1(v)
    The gyromagnetic ratio of electron is _______.

    Tap an option to check your answer.