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 92 mA 9.2 mA 460 mA 4.6 mA 92 mA 9.2 mA 460 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 4800Ω 37.9Ω 3.7Ω 14400Ω 4800Ω 37.9Ω 3.7Ω 14400Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases decreases to zero increases does not change decreases decreases to zero increases does not change ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance cannot be determined without values is halved is reduced to one-fourth doubles cannot be determined without values is halved is reduced to one-fourth doubles ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 14 – j5 is located in the fourth quadrant second quadrant first quadrant third quadrant fourth quadrant second quadrant first quadrant third quadrant 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 45.6 V 4.11 V 411.3 V 0.411 V 45.6 V 4.11 V ANSWER DOWNLOAD EXAMIANS APP
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