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1. |
In an R-L-C circuit, v(t) = 20 sin (314 t + 5 p/6) and i(t) = 10 sin (314 t + 2p/3). The p.f of the circuit is |
A. | 0.5 lead |
B. | 0.866 lag |
C. | 0.866 lead |
D. | 0.5 lead |
Answer» C. 0.866 lead | |