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Physics Test 23...

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  • Question 1
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    Directions For Questions

    Consider the following statements:

    1. SI unit of magnetisation is Am-3

    2. SI unit of permeability TmA-1

    3. SI unit of magnetic field Tesla 

    4. SI unit of susceptibility is Am-1

    ...view full instructions

    ​Which of the above statements are correct

  • Question 2
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    Directions For Questions

    Consider the following the statements

    1. Meter bridge works on the principal of the Wheatstone bridge.

    2. A Meter bridge is used to find the unknown resistance.

    3. A meter bridge is used to find the internal resistance of the battery.

    ...view full instructions

    Which of the following statement is INCORRECT?

  • Question 3
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    For the given circuit diagram, if the current flow in the galvanometer G is zero, find the relation between resistances P, Q, R, and S.

  • Question 4
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    In the given circuit, the capacitors C1 = 4 μF, C2 = 8 μF, C3 = 3 μF, C4 = 6 μF are connected to a voltage source 60V. Then the ratio of charge across the capacitors of two arms AB and DC is

  • Question 5
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    Electric field intensity due to thin infinite parallel sheets of charge in region 1 is

    ( a field pointing from left to right is taken as positive and the one pointing from right to left is taken as negative. )

  • Question 6
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    An inductance L, a capacitance C and a resistance R may be connected to an AC source of angular frequency ω, in three different combinations of RC, RL and LC in series. Assume that 

    The power drawn by the three combinations are P1, P2, P3, respectively. Then

  • Question 7
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    Which of the following processes represent a gamma decay ?

  • Question 8
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    In an L-R circuit, an inductance of 0.1 H and a resistance of 1 Ω are connected in series with an ac source of voltage V = 5 sin 10t. The phase difference between the current and applied voltage will be

  • Question 9
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    A coil having N turns is wound tightly in the form of a spiral with inner and outer radii a and b respectively. When a current I passes through the coil, the magnetic field at the center is

  • Question 10
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    A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam incident normally on the face AB is totally reflected to reach the face BC, if

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