Solve the problem.The current I, in amperes, flowing through a particular ac (alternating current) circuit at time t seconds is  I = 120 sin (70?t)What is the period and amplitude of the current?

A. period =  second, amplitude = 120
B. period =  second, amplitude = 350
C. period =  second, amplitude = 70
D. period = 70? seconds, amplitude = 

Answer: A

Mathematics

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