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Q.

In an ac circuit I = 100 sin 200 πt. The time required for the current to achieve its peak value will be

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a

1100sec

b

1200sec

c

1300sec

d

1400sec

answer is D.

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Detailed Solution

The current takes T4 sec to reach the peak value. In the given question 2πT=200π⇒T=1100sec ∴ Time to reach the peak value  =1400sec
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