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In an ac circuit l=100 sin 200 pi t . Th...

In an ac circuit `l=100 sin 200 pi t` . The time required for the current to achieve its peak value will be

A

`(1)/(300)s`

B

`(1)/(400)s`

C

`(1)/(100)s`

D

`(1)/(200)s`

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The correct Answer is:
B
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