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Solve the Problem θ\theta = Cos-1(R/Z) Gives the Phase Angle Between R and Z

Question 169

Multiple Choice

Solve the problem.
-The equation θ\theta = cos-1(R/Z) gives the phase angle between R and Z in an AC circuit. Find θ\theta if R = 50 ohms and Z = 90 ohms.


A) 0.7°
B) 33.7°
C) 123.7°
D) 56.3°

Correct Answer:

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