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 = 5XC R = XC R > XC R < XC R = 5XC R = XC ANSWER DOWNLOAD EXAMIANS APP
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 9.2 mA 460 mA 92 mA 4.6 mA 9.2 mA 460 mA 92 mA 4.6 mA 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 282 mA 200 mA 141 mA 100 mA 282 mA 200 mA 141 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 3.7Ω 14400Ω 37.9Ω 4800Ω 3.7Ω 14400Ω 37.9Ω 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
RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance doubles increases remains the same decreases doubles increases remains the same decreases ANSWER DOWNLOAD EXAMIANS APP
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