RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is halved cannot be determined without values doubles is reduced to one-fourth is halved cannot be determined without values doubles is reduced to one-fourth 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° 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° 73.4 and θ = –19.5° 707 and θ = –19.5° 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 increased has no effect is held constant must be decreased must be increased has no effect is held constant must be decreased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 8.4845° 8.4890° 3645° 645° 8.4845° 8.4890° 3645° 645° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 270° 90° 30° 180° 270° 90° 30° 180° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance remains the same doubles decreases increases remains the same doubles decreases increases ANSWER DOWNLOAD EXAMIANS APP
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