RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit increases decreases does not change decreases to zero increases decreases does not change decreases to zero ANSWER DOWNLOAD EXAMIANS APP
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 0.411 V 4.11 V 45.6 V 411.3 V 0.411 V 4.11 V 45.6 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 845 mW 13 mW 84.5 mW 130 mW 845 mW 13 mW 84.5 mW 130 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –30° –180° –330° –60° –30° –180° –330° –60° 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 must be increased is held constant must be decreased has no effect must be increased is held constant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a parallel RC circuit, there is 100 mA through the resistive branch and 100 mA through the capacitive branch. The total rms current is 141 mA 282 mA 100 mA 200 mA 141 mA 282 mA 100 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
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