In an ac circuit, the current is given by i = 4 sin (100 πt + 30º) a – InterviewSolution

1.

In an ac circuit, the current is given by i = 4 sin (100 πt + 30º) ampere. The current becomes maximum first time (after t = 0) at t equal to :

Answer»

when i = 4 sin(2π + 30)

then again current will be maximum and it will be

when 2π = 100πt

means t = 1/50

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