RC Circuits A 12 kΩ resistor is in series with a 0.02 μF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 angle 0° mA, what is the source voltage expressed in polar form? 411.3 V 4.11 V 0.411 V 45.6 V 411.3 V 4.11 V 0.411 V 45.6 V 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 19.52 W 275 W 195.2 W 25 W 19.52 W 275 W 195.2 W 25 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance doubles remains the same decreases increases doubles remains the same decreases increases ANSWER DOWNLOAD EXAMIANS APP
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 What is the angular difference between +j4 and –j4? 30° 270° 90° 180° 30° 270° 90° 180° 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 Z = 150 –90° Ω Z = 150 angle 180° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 –90° Ω Z = 150 angle 180° Ω ANSWER DOWNLOAD EXAMIANS APP
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