What is the frequency of i in radians per second

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Reference no: EM13249149

A sinusoidal current is zero at t = - 625 s and increasing at a rate of 8000 A/s. The maximum amplitude of the current is 20 A.

a) What is the frequency of i in radians per second?

b) What is the expression for i? (give answer where t is miliseconds and the phase angle is in radians)

Reference no: EM13249149

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