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 92 mA 4.6 mA 9.2 mA 460 mA 92 mA 4.6 mA 9.2 mA 460 mA 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 is held constant must be decreased has no effect must be increased is held constant must be decreased has no effect ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 19.2 V 1.9 V 3 V 27 V 19.2 V 1.9 V 3 V 27 V 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 180° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 –90° Ω 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 275 W 195.2 W 19.52 W 25 W 275 W 195.2 W 19.52 W 25 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 180° 90° 270° 30° 180° 90° 270° 30° ANSWER DOWNLOAD EXAMIANS APP
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