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1. |
At what frequency will the current lead the voltage by 30° in a series circuit with R = 10Ω and C = 25 μF? |
A. | 11.4 kHz |
B. | 4.5 kHz |
C. | 1.1 kHz |
D. | 24.74 kHz |
Answer» B. 4.5 kHz | |