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 19.52 W 195.2 W 275 W 25 W 19.52 W 195.2 W 275 W ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the value of the hypotenuse of a right triangle whose sides are 12 and 18? 4.24 2.16 3.46 21.63 4.24 2.16 3.46 21.63 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 92 mA 4.6 mA 9.2 mA 460 mA 92 mA 4.6 mA 9.2 mA 460 mA 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? 45.6 V 411.3 V 0.411 V 4.11 V 45.6 V 411.3 V 0.411 V 4.11 V 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 < XC R = 5XC R = XC R > XC R < XC R = 5XC R = XC ANSWER DOWNLOAD EXAMIANS APP
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