PYQ Vault

Day 625: JEE Mains Physics

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

  1. Question 1

    Electrostatics. Asked once: 2021 Paper 25

    11
    Find the electric field at point PP (as shown in figure) on the perpendicular bisector of a uniformly charged thin wire of length LL carrying a charge QQ. The distance of the point PP from the centre of the rod is a=32La=\frac{\sqrt{3}}{2}L.

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  2. Question 2

    Semiconductor Electronics. Asked once: 25 Jun 2022

    108
    Identify the logic operation performed by the given circuit:

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  3. Question 3

    Current Electricity. Asked once: 27 Jul 2022

    101
    A. The drift velocity of electrons decreases with the increase in the temperature of conductor. B. The drift velocity is inversely proportional to the area of cross-section of given conductor. C. The drift velocity does not depend on the applied potential difference to the conductor. D. The drift velocity of electron is inversely proportional to the length of the conductor. E. The drift velocity increases with the increase in the temperature of conductor. Choose the correct answer from the options given below:

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  4. Question 4

    Electrostatics. Asked once: 2021 Paper 23

    14
    Choose the incorrect statement: (A) The electric lines of force entering into a Gaussian surface provide negative flux. (B) A charge ' qq ' is placed at the centre of a cube. The flux through all the faces will be the same. (C) In a uniform electric field net flux through a closed Gaussian surface containing no net charge, is zero. (D) When electric field is parallel to a Gaussian surface, it provides a finite non-zero flux. Choose the most appropriate answer from the options given below

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  5. Question 5

    Semiconductor Electronics. Asked once: 14 Jun 2022

    115
    In the given circuit, the value of current ILI_{L} will be ____\_\_\_\_ mA. (When RL=1kΩR_{L}= 1k\Omega )