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The magnetic flux linked with the coil ...

The magnetic flux linked with the coil (in Weber) is given by the equation
`phi = 5t^(2) + 3t + 16`
The induced EMF in the coil at time, t=4 will be-

A

`-27V`

B

`-43V`

C

`-108 V`

D

`210 V`

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