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 275 W 19.52 W 195.2 W 25 W 275 W 19.52 W 195.2 W 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 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 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? 4.11 V 45.6 V 0.411 V 411.3 V 4.11 V 45.6 V 0.411 V 411.3 V 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 = 47Ω + j150Ω Z = 197Ω Z = 47Ω – j150Ω Z = 103Ω Z = 47Ω + j150Ω Z = 197Ω Z = 47Ω – j150Ω Z = 103Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance is reduced to one-fourth cannot be determined without values doubles is halved is reduced to one-fourth cannot be determined without values doubles is halved ANSWER DOWNLOAD EXAMIANS APP