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Day 612: JEE Mains Physics

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

  1. Question 1

    Semiconductor Electronics. Asked once: 30 Jan 2023

    13
    The output waveform of the given logical circuit for the following inputs AA and BB as shown below, is

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  2. Question 2

    Current Electricity. Asked once: 10 Apr 2023

    29
    10 resistors each of resistance 10Ω10\Omega can be connected in such as to get maximum and minimum equivalent resistance. The ratio of maximum and minimum equivalent resistance will be___

  3. Question 3

    Electrostatics. Asked once: 27 Jul 2022

    26
    A long cylindrical volume contains a uniformly distributed charge of density ρCm−3\rho Cm^{- 3}. The electric field inside the cylindrical volume at a distance x=2ε0ρmx =\frac{2\varepsilon_{0}}{\rho}m from its axis is ____\_\_\_\_ Vm−1Vm^{- 1}

  4. Question 4

    Semiconductor Electronics. Asked once: 29 Jan 2023

    19
    Which one of the following statement is not correct in the case of light emitting diodes? A. It is a heavily doped p-n junction. B. It emits light only when it is forward biased. C. It emits light only when it is reverse biased. D. The energy of the light emitted is equal to or slightly less than the energy gap of the semiconductor used. Choose the correct answer from the options given below:

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  5. Question 5

    Current Electricity. Asked once: 8 Apr 2023

    14
    In this figure the resistance of the coil of galvanometer GG is 2Ω2\Omega. The emf of the cell is 4 V4\text{ }V. The ratio of potential difference across C1C_{1} and C2C_{2} is:

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