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The flux linked with a coil at any insta...

The flux linked with a coil at any instant t is given by `Phi_(B)=10t^(2)-50t^(2)-50t+250.` The induced emf at t = 3s is

A

`290V`

B

`-10V`

C

10V

D

190V

Text Solution

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The correct Answer is:
A
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