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The magnetic flux phi (in waber ) in a...

The magnetic flux `phi` (in waber ) in a closed circult of resting ` 10 Omega` varies with t ( in second) according to equation `phi = 6t^(2) - 5 t+ 1`. The magnitude of induced at `t = 0.25 s`.

A

`1.2 A`

B

`0.8 A`

C

`0.6 A`

D

`0.2 A`

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • 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

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    B
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    C
    `0.6` A
    D
    `0.2` A

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    B
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    20 A
    D
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