PYQ Vault

Day 633: JEE Mains Physics

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

  1. Question 1

    Semiconductor Electronics. Asked once: 2021 Paper 17

    11
    Find the truth table for the function YY of AA and BB represented in the following figure.

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  2. Question 2

    Current Electricity. Asked once: 27 Jun 2022

    26
    The current density in a cylindrical wire of radius 4 mmmm is 4×106Am−24 \times10^{6}Am^{- 2}. The current through the outer portion of the wire between radial distance R2\frac{R}{2} and RR is ____\_\_\_\_ π A\pi\ A.
  3. Question 3

    Electrostatics. Asked once: 2021 Paper 11

    4
    A ball having charge to mass 8μc/g8\mu c/g is placed at a distance of 10 cm10\text{ }cm from a wall. Suddenly an Electric field 100 NC−1100\ NC^{- 1} is switched on. Assuming collisions to be Elastic. Find Time period of oscillations.

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  4. Question 4

    Semiconductor Electronics. Asked once: 2021 Paper 8

    4
    Which one of the following will be the output of the given circuit?

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  5. Question 5

    Current Electricity. Asked once: 27 Jun 2022

    117
    In the given circuit ' aa ' is an arbitrary constant. The value of mm for which the equivalent circuit resistance is minimum, will be x2\sqrt{\frac{x}{2}}. The value of xx is