PYQ Vault

Day 5: MH HSC Class 12 Physics

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

  1. Question 1

    Electromagnetic Induction. Asked 2 times: Mar 2022*, Jun 2026 (* = numbers or wording changed that year)

    Q. 26
    An emf of 90 mV is induced in the winding of a coil, when current in a nearby coil is increasing at the rate of 4.5 A/s. What is the mutual inductance of the two coils?

  2. Question 2

    Electrostatics. Asked 2 times: Mar 2022*, Jun 2026 (* = numbers or wording changed that year)

    Q. 22
    A parallel plate capacitor filled with air has an area 6 cm26\ \text{cm}^{2} and the plate separation is 2 mm. Calculate its capacity.

  3. Question 3

    Electrostatics. Asked 2 times: Mar 2022, Jun 2026

    Q. 5
    What are polar molecules and non polar molecules?

  4. Question 4

    Magnetic Fields due to Electric Current. Asked 2 times: Feb 2023, Jun 2026

    Q. 31(i)
    Obtain an expression for magnetic induction of a toroid of N no. of turns about an axis passing through its centre and perpendicular to plane.

  5. Question 5

    Magnetic Fields due to Electric Current. Asked 2 times: Feb 2023, Jun 2026

    Q. 25
    Calculate the current flowing through two long parallel wires carrying equal currents and separated by a distance of 1.35 cm experiencing a force per unit length of 4.76×10−24.76 \times 10^{-2} N/m.