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Electromagnetic...

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  • Question 1
    1 / -0.25

    The unit of self inductance of a coil is

  • Question 2
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    Coefficient of mutual induction is the ratio of

  • Question 3
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    If a capacitor of capacitance 9.2F has a voltage of 22.5V across it. Calculate the energy of the capacitor.

  • Question 4
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    A solenoid coil has 10 turns per cm along its length and a cross sectional area of 10 cm2 . 100 turns of another wire are wound round the first solenoid coaxially. The two coils are electrically insulated from each other. The mutual inductance between the two coils is ​

  • Question 5
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    If we take the analogy between mechanical motion and electric circuits, then inductance is analogous to

  • Question 6
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    Two pure inductors are connected in series, if their self inductance is L. Find the total inductance

  • Question 7
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    Suppose there are two coils of length 1m with 100 and 200 turns and area of cross section of 5 x 10-3  m2 . Find the mutual inductance.

  • Question 8
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    If the current in primary coil changes from 5 A to 2 A in 0.03 sec and the induced e.m.f. is 1000 volts, find the mutual induction ​

  • Question 9
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    The mutual induction does not depend on which of the following factors

  • Question 10
    1 / -0.25

    Inductance is a _______ quantity. Its dimension is ________.

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