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The instantaneous magnetic flux phi in ...

The instantaneous magnetic flux `phi` in a circuit is `phi=4t^(2)-4t+1` .The total resistance of circuit is `10Omega`. At `t=(1)/(2)s`,the induced current in circuit is

A

`0A`

B

`0.6A`

C

`0.4A`

D

`0.2A`

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The correct Answer is:
A
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TARGET PUBLICATION-ELECTROMAGNETIC INDUCTION-CRITICAL THINKING
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