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The magnetic flux linked with a coil (in...

The magnetic flux linked with a coil (in Wb) is given by the equation `phi = 5t^2 + 3t +16` . The magnetic of induced emf in the coil at fourth second will be

A

`43 V`

B

`108 V`

C

`10 V`

D

`33 V`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The magnetic flux linked with coil, in weber is given by the equation, phi = 5t^(2)+3t+16 . The induced emf in the coil in the fourth second is

    A
    `10 V`
    B
    `30 V`
    C
    `45 V`
    D
    `90 V`

  • The magnetic flux linked with a coil in wb is given by the equation phi = 3t^2 + 4t + 9 . Then the magnitude of induced emf at t = 2 sec will be:

    A
    2 V
    B
    4V
    C
    8 volt
    D
    16 V

  • The magnetic flux linked with a coil , in Webers, is given by the equation phi=4t^2+3t+5 . Then the magnitude of induced emf at t=2s will be

    A
    12 V
    B
    19 V
    C
    18 V
    D
    16 V

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