RC Circuits For a certain load, the true power is 150 W and the reactive power is 125 VAR. The apparent power is 19.52 W 275 W 25 W 195.2 W 19.52 W 275 W 25 W 195.2 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 84.5 mW 13 mW 130 mW 845 mW 84.5 mW 13 mW 130 mW 845 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A capacitor with 150Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 angle 180° Ω Z = 150 –90° Ω Z = 150 angle – 90° Ω Z = 150 Z = 150 angle 180° Ω 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 460 mA 9.2 mA 4.6 mA 92 mA 460 mA 9.2 mA 4.6 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 = 5XC R = XC R > XC R < XC R = 5XC R = XC R > XC R < XC 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 19.2 V 27 V 1.9 V 3 V 19.2 V 27 V 1.9 V 3 V ANSWER DOWNLOAD EXAMIANS APP
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