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1. |
A 120 Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? |
A. | 7.9 Ω |
B. | .7 Ω |
C. | 4,400 Ω |
D. | ,800 Ω |
Answer» B. .7 Ω | |