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 460 mA 9.2 mA 92 mA 4.6 mA 460 mA 9.2 mA ANSWER DOWNLOAD EXAMIANS APP
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 The complex number 40 angle 55° is equivalent to 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 45.88 + j65.52 22.94 + j32.76 40 + j40 55 + j55 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 is held constant has no effect must be decreased must be increased is held constant has no effect must be decreased must be increased 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 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 100 mA 200 mA 282 mA 141 mA 100 mA 200 mA 282 mA 141 mA ANSWER DOWNLOAD EXAMIANS APP
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