RC Circuits A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z? 167Ω 73Ω 129Ω 12.9Ω 167Ω 73Ω 129Ω 12.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 845 mW 130 mW 13 mW 84.5 mW 845 mW 130 mW 13 mW 84.5 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –180° –330° –30° –60° –180° –330° –30° –60° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero does not change increases decreases decreases to zero does not change increases decreases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the second quadrant fourth quadrant first quadrant third quadrant second quadrant fourth quadrant first quadrant third quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 k resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle? 73.4 and θ = –19.5° 707 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° 73.4 and θ = –19.5° 707 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° ANSWER DOWNLOAD EXAMIANS APP
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