PYQ Vault

Day 607: JEE Mains Physics

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

  1. Question 1

    Current Electricity. Asked once: 15 Apr 2023

    9
    Given below are two statements: Statement I: The equivalent resistance of resistors in a series combination is smaller than least resistance used in the combination. Statement II: The resistivity of the material is independent of temperature. In the light of the above statements, choose the correct answer from the options given below:

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  2. Question 2

    Electrostatics. Asked once: 30 Jan 2023

    94
    As shown in the figure, a point charge QQ is placed at the centre of conducting spherical shell of inner radius aa and outer radius bb. The electric field due to charge Q in three different regions I, II and III is given by: (I: r<ar < a, II: a<r<ba < r < b, III: r>br > b )

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  3. Question 3

    Ray Optics. Asked once: 2021 Paper 9

    18
    Your friend is having eye sight problem. She is not able to see clearly a distant uniform window mesh and it appears to her as nonuniform and distorted. The doctor diagnosed the problem as:

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  4. Question 4

    Semiconductor Electronics. Asked once: 8 Apr 2023

    94
    For a given transistor amplifier circuit in CECE configuration VCC=1 V,Rc=1kΩ,Rb=100kΩV_{CC}= 1\text{ }V,R_{c}= 1k\Omega,R_{b}= 100k\Omega and β=100\beta = 100. Value of base current IbI_{b} is

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  5. Question 5

    Current Electricity. Asked once: 13 Apr 2023

    93
    In the network shown below, the charge accumulated in the capacitor in steady state will be:

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