PYQ Vault

Day 443: JEE Mains Physics

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

  1. Question 1

    Electromagnetic Induction. Asked once: 5 Apr 2026 S1

    25
    In the given circuit below inductance values of L1, L2L_{1},{\text{ }L}_{2} and L3L_{3} are same. The magnetic energy stored in the entire circuit is (Ut)\left( U_{t} \right) and that stored in the L2L_{2} inductor is (Ul)\left( U_{l} \right). ( Ut/UlU_{t}/U_{l} ) is ____\_\_\_\_ . (Ignore the mutual inductance if any)
  2. Question 2

    Electromagnetic Waves. Asked once: 21 Jan 2026 S2

    21
    An electromagnetic wave of frequency 100 MHz propagates through a medium of conductivity, σ=10mho/m\sigma = 10mho/m. The ratio of maximum conducting current density to maximum displacement current density is ____\_\_\_\_. [Take\left\lbrack Take \right.  14πϵ0=9×109Nm2/C2]\left. \ \frac{1}{4\pi\epsilon_{0}} = 9 \times 10^{9}{Nm}^{2}/C^{2} \right\rbrack
  3. Question 3

    Electrostatics. Asked once: 4 Apr 2026 S2

    13
    Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: In electrostatics, a conductor does not store any net charge inside. Reason R : Inside the capacitor (with no dielectric medium), the free charge carriers, if placed between the plates of capacitor, experience force and drift. Choose the correct answer from the options given below.

    Tap an option to check your answer.

  4. Question 4

    Gravitation. Asked once: 5 Apr 2024

    13
    Match list-I with list-II: (Where a=a = radius of planet orbit, r=r = radius of planet, M=M = mass of Sun, m=m = mass of planet) Choose the correct answer from the options given below:

    Tap an option to check your answer.

  5. Question 5

    Kinetic Theory. Asked once: 4 Apr 2026 S1

    10
    One gas of n1n_{1} mole of molecules at temperature T1T_{1}, volume V1V_{1}, and pressure P1P_{1}, and another gas of n2n_{2} mole of molecules at temperature T2T_{2}, volume V2V_{2}, and pressure P2P_{2}, are mixed resulting in pressure P and volume V of the mixture. The temperature of the mixture is ____\_\_\_\_ .

    Tap an option to check your answer.