PYQ Vault

Day 610: JEE Mains Physics

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

  1. Question 1

    Electrostatics. Asked once: 29 Jul 2022

    93
    Two identical thin metal plates has charge q1q_{1} and q2q_{2} respectively such that q1>q2q_{1}>q_{2}. The plates were brought close to each other to form a parallel plate capacitor of capacitance C. The potential difference between them is :

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  2. Question 2

    Semiconductor Electronics. Asked once: 1 Feb 2023

    18
    Match List I with List II:
    List IList II
    A. Intrinsic semiconductorI. Fermi-level near the valence band
    B. n-type semiconductorII. Fermi-level in the middle of valence and conduction band
    C. p-type semiconductorIII. Fermi-level near the conduction band
    D. MetalsIV. Fermi-level inside the conduction band
    Choose the correct answer from the options given below:

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  3. Question 3

    Current Electricity. Asked once: 11 Apr 2023

    30
    In the circuit diagram shown in figure given below, the current flowing through resistance 3Ω3\Omega is x3 A\frac{x}{3}\text{ }A. The value of xx is
  4. Question 4

    Electrostatics. Asked once: 29 Jul 2022

    11
    Given below are two statements. Statement I: Electric potential is constant within and at the surface of each conductor. Statement II: Electric field just outside a charged conductor is perpendicular to the surface of the conductor at every point. In the light of the above statements, choose the most appropriate answer from the options give below.

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  5. Question 5

    Semiconductor Electronics. Asked once: 31 Jan 2023

    91
    Given below are two statements: Statement I: In a typical transistor, all three regions emitter, base and collector have same doping level. Statement II: In a transistor, collector is the thickest and base is the thinnest segment. In the light of the above statements, choose the most appropriate answer from the options given below.

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