RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 4.6 mA 9.2 mA 460 mA 92 mA 4.6 mA 9.2 mA 460 mA 92 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 25 W 195.2 W 275 W 19.52 W 25 W 195.2 W 275 W 19.52 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle decreases becomes erratic remains the same increases decreases becomes erratic remains the same increases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is reduced to one-fourth is halved doubles cannot be determined without values is reduced to one-fourth is halved doubles cannot be determined without values 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? 2121 and θ = –19.5° 73.4 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 73.4 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° ANSWER DOWNLOAD EXAMIANS APP
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