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1. |
A resistor of 3 k, a 0.05 F capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form? |
A. | 636 |
B. | 3,769 |
C. | 433 |
D. | 4,337 |
Answer» E. | |