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
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit decreases to zero decreases does not change increases decreases to zero decreases does not change increases 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 200 mA 282 mA 100 mA 141 mA 200 mA 282 mA 100 mA 141 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 129Ω 167Ω 12.9Ω 73Ω 129Ω 167Ω 12.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits An ac circuit consists of a resistor and a capacitor. To increase the phase angle above 45°, the following condition must exist: R > XC R < XC R = XC R = 5XC R > XC R < XC R = XC R = 5XC 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 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 ANSWER DOWNLOAD EXAMIANS APP
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