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 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 141 mA 282 mA 100 mA 200 mA 141 mA 282 mA 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 has no effect is held constant must be increased must be decreased has no effect is held constant ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 270° 90° 180° 30° 270° 90° 180° 30° 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? 4.11 V 45.6 V 0.411 V 411.3 V 4.11 V 45.6 V 0.411 V 411.3 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 318.3 2.12 mS + j3.14 mS 3.14 mS + j2.12 mS 212 318.3 2.12 mS + j3.14 mS 3.14 mS + j2.12 mS 212 ANSWER DOWNLOAD EXAMIANS APP
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