RC Circuits What is the angular difference between +j4 and –j4? 180° 30° 270° 90° 180° 30° 270° 90° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is 18 kHz 6 kHz 0 Hz 12 kHz 18 kHz 6 kHz 0 Hz 12 kHz ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit increases decreases decreases to zero does not change increases decreases decreases to zero does not change ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance decreases increases doubles remains the same decreases increases doubles remains the same ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 Z = 150 angle – 90° Ω Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 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 19.52 W 275 W 195.2 W 25 W 19.52 W 275 W 195.2 W ANSWER DOWNLOAD EXAMIANS APP
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