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Day 634: JEE Mains Physics

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

  1. Question 1

    Electrostatics. Asked once: 2021 Paper 6

    6
    Find the surface charge density at the intersection of the x=3 mx = 3\text{ }m plane and xx-axis, in the region of uniform line charge of 8nC/8nC/ mm lying along the zz-axis in free space.

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  2. Question 2

    Semiconductor Electronics. Asked once: 2021 Paper 7

    16
    The output of the given combination gates represents:

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  3. Question 3

    Current Electricity. Asked once: 27 Jun 2022

    116
    The current density in a cylindrical wire of radius r=4.0 mmr = 4.0\text{ }mm is 1.0×106 A/m21.0 \times10^{6}\text{ }A/m^{2}. The current through the outer portion of the wire between radial distances r/2r/2 and rr is xπAx\pi A; where xx is

  4. Question 4

    Electrostatics. Asked once: 2021 Paper 4

    16
    An electron with kinetic energy K1K_{1} enters between parallel plates of a capacitor at an angle ' α\alpha ' with the plates. It leaves the plates at angle ' β\beta ' with kinetic energy K2K_{2}. Then the ratio of kinetic energies K1:K2K_{1}:K_{2} will be:

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  5. Question 5

    Semiconductor Electronics. Asked once: 2021 Paper 6

    1
    The following logic gate is equivalent to:

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