Question: A sinusoidal current is zero at t = 1 5 0 s and increasing at a rate of 2 0 , 0 0 0 A

A sinusoidal current is zero at t =150 s and
increasing at a rate of 20,000 A s. The maximum
amplitude of the current is 10 A.
a) What is the frequency of i in radians per second?
b) What is the expression for I?

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