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Physics Test-38...

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  • Question 1
    4 / -1

    If \(R, C\) and \(L\) denote resistance, capacitance, and inductance. Which of the following will not have the dimensions of frequency?

  • Question 2
    4 / -1

    The angular momentum of a moving body remains constant if:

  • Question 3
    4 / -1

    The entropy of an isolated system continuously ____ and becomes a ____ at the state of equilibrium.

  • Question 4
    4 / -1

    In case of negative work, the angle between the force and displacement is:

  • Question 5
    4 / -1

    What is ratio of the force of gravitation between two masses \(\mathrm{m_1}\) and \(\mathrm{m_2}\) kept at a distance \(\mathrm{R}\) on the Earth and on the moon?

  • Question 6
    4 / -1

    Hydraulic ram is used for lifting heavy vehicles or items. What is the principle behind the application of hydraulic ram?

  • Question 7
    4 / -1

    A uniformly charged conducting sphere of 2.4 m diameter has a surface charge density of 80.0 μC/m2. What is the total electric flux leaving the surface of the sphere?

  • Question 8
    4 / -1

    Iron objects can be protected by electroplating them with:

  • Question 9
    4 / -1

    The electric field in an electro-magnetic wave (in vacuum) is described by E = Emax sin(Kx - ωt)

    Where, Emax = 100 N/C and K = 1 × 107 m-1, speed of light is 3 × 108 m/s.

    What is the amplitude of the corresponding magnetic wave?

  • Question 10
    4 / -1

    What are the charge carriers in semiconductors?

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