Phase Relations
For the following pairs of sinusoids, determine which one leads or lags and by how much.
(a) v = 20 sin(ωt – 30°) and i = 2 sin (ωt – 90°)
(b) v = 20 sin(ωt + 15°) and i = 2 sin (ωt + 60°)
(c) v = 20 sin(ωt + 45°) and i = 2 sin (ωt – 45°)
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