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Problem 1 - Given the sinuosidal voltage v(t) = 50 cos(30t+10o) V, find: (a) the amplitude Vm (b) the period T, (c) the frequency f and (d) v(t) at t = 10 ms.
Problem 2 - A current source in a linear circuit has - is = 15 cos(25πt + 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 = 2 ms.
Problem 3 - Express the following functions in cosine form:
(a) 10 sin(ωt + 30o)
(c) -20sin(ωt + 45o))
Problem 4 - Given v1 = 45 sin(ωt + 30o) V and v2 = 50 cos(ωt - 30o V), determine the phase angle between the two sinusoids and which one lags the other.
Design: draw out the logic diagram of the multiplier (e.g. see the logic diagram of a 2-bit and 2-bit multiplier illustrated in the Pre-lab and Background Information). Rememb
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