RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 195.2 W 19.52 W 275 W 25 W 195.2 W 19.52 W 275 W 25 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit increases does not change decreases decreases to zero increases does not change decreases decreases to zero 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 4.6 mA 460 mA 9.2 mA 92 mA 4.6 mA 460 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 The complex number 40 angle 55° is equivalent to 45.88 + j65.52 55 + j55 22.94 + j32.76 40 + j40 45.88 + j65.52 55 + j55 22.94 + j32.76 40 + j40 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° 707 and θ = –19.5° 73.4 and θ = –19.5° 2121 and θ = –19.5° 734 and θ = –38.9° 707 and θ = –19.5° 73.4 and θ = –19.5° 2121 and θ = –19.5° ANSWER DOWNLOAD EXAMIANS APP
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