The magnetic flux phi (in weber ) in a c...

The magnetic flux `phi` (in weber ) in a closed circuit of resistance 10`Omega` varies with time t (in secnod) according to equation `phi=6t^(2)-5t+1`. The magnitude of induced current at `t=0.25` s is

A

1.2

B

0.8 A

C

0.6 A

D

0.2 A

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The correct Answer is:

D

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