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The rate of change of magnetic flux link...

The rate of change of magnetic flux linked with the coil is equal to the magnitude of induced e.m.f.' this is the statement of

A

Lenz's law

B

Gauss's law

C

newton's law

D

Faraday's law

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The magnetic flux linked with coil is proportional to

    A
    voltage
    B
    current
    C
    length of coil
    D
    resistance of coil

  • The magnetic flux linked with a coil is phi and the emf induced in it is e .

    A
    If `phi=0,e` must be 0
    B
    If `phi!=0,e` cannot be 0
    C
    If `e` is not `0,phi` may or may not be 0
    D
    None of the above is correct

  • The magnetic flux linked with the coil varies with time as phi = 3t^2 + 4t + 9 . The magnitude of induced emf at t = 2 second is -

    A
    4 V
    B
    3V
    C
    16 V
    D
    9V

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    The magnetic flux linked with a coil (in Wb) is given by the equation phi - 3t^2 + 3t + 16 The magnitude of induced emf in the coil at the fourth second will be

    When ever the flux linked with a coil changes, then

    What is the change in magnetic flux produced in a coil in 25 s, if the induced e.m.f. In the coil is 2 mV ?

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