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 460 mA 4.6 mA 9.2 mA 92 mA 460 mA 4.6 mA 9.2 mA 92 mA 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 = 5XC R < XC R > XC R = XC R = 5XC R < XC R > XC ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 k resistor is in series with a 0.015 F capacitor across a 15 kHz ac source. What is the magnitude of the total impedance and the phase angle? 734 and θ = –38.9° 2121 and θ = –19.5° 73.4 and θ = –19.5° 707 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 73.4 and θ = –19.5° 707 and θ = –19.5° 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 2.12 mS + j3.14 mS 318.3 212 3.14 mS + j2.12 mS 2.12 mS + j3.14 mS 318.3 212 3.14 mS + j2.12 mS ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In the complex plane, the number 4 + j3 is located in the fourth quadrant first quadrant second quadrant third quadrant fourth quadrant first quadrant second quadrant third quadrant 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 has no effect is held constant must be decreased must be increased has no effect is held constant must be decreased must be increased ANSWER DOWNLOAD EXAMIANS APP