RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero increases decreases does not change decreases to zero increases decreases does not change 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
RC Circuits In the complex plane, the number 14 – j5 is located in the first quadrant fourth quadrant third quadrant second quadrant first quadrant fourth quadrant third quadrant second quadrant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance cannot be determined without values doubles is reduced to one-fourth is halved cannot be determined without values doubles is reduced to one-fourth is halved ANSWER DOWNLOAD EXAMIANS APP
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? 73Ω 167Ω 12.9Ω 129Ω 73Ω 167Ω 12.9Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency must be decreased has no effect is held constant must be increased must be decreased has no effect is held constant must be increased ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS