Question: A current source in a linear circuit has is = 8 cos (500 t - 25o) A (a) What is the amplitude of the current?

A current source in a linear circuit has
is = 8 cos (500π t - 25o) A
(a) What is the amplitude of the current?
(b) What is the angular frequency?
(c) Find the frequency of the current.
(d) Calculate is at t = 2ms.

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