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What is the period of the current?

The current I , in amperes, flowing through a particular AC circuit at time t seconds is I = 120sin(70(pi)t-pi/6) What is the period of the current?

1/35 seconds

pi/120 seconds

1/420 seconds

70m seconds

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Period of a AC current. The response received a rating of "5/5" from the student who originally posted the question.

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