RC Circuits A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z? 73Ω 12.9Ω 129Ω 167Ω 73Ω 12.9Ω 129Ω 167Ω 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 4.11 V 45.6 V 0.411 V 411.3 V 4.11 V 45.6 V 0.411 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 470 resistor and a 0.2 F capacitor are in parallel across a 2.5 kHz ac source. The admittance, Y, in rectangular form, is 212 3.14 mS + j2.12 mS 318.3 2.12 mS + j3.14 mS 212 3.14 mS + j2.12 mS 318.3 2.12 mS + j3.14 mS ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 4.24 3.46 21.63 2.16 4.24 3.46 21.63 2.16 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is halved doubles is reduced to one-fourth cannot be determined without values is halved doubles is reduced to one-fourth cannot be determined without values 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 must be decreased is held constant has no effect must be increased must be decreased is held constant has no effect ANSWER DOWNLOAD EXAMIANS APP
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