RC Circuits What is the angular difference between +j4 and –j4? 270° 180° 90° 30° 270° 180° 90° 30° ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, 12 V(rms) is measured across the resistor and 15 V(rms) is measured across the capacitor. The rms source voltage is 3 V 1.9 V 27 V 19.2 V 3 V 1.9 V 27 V 19.2 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 3.14 mS + j2.12 mS 212 2.12 mS + j3.14 mS 318.3 3.14 mS + j2.12 mS 212 2.12 mS + j3.14 mS 318.3 ANSWER DOWNLOAD EXAMIANS APP
RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 25 W 195.2 W 275 W 19.52 W 25 W 195.2 W 275 W 19.52 W 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? 73.4 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 707 and θ = –19.5° 73.4 and θ = –19.5° 734 and θ = –38.9° 2121 and θ = –19.5° 707 and θ = –19.5° 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