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 = 103Ω Z = 47Ω – j150Ω Z = 197Ω Z = 47Ω + j150Ω Z = 103Ω Z = 47Ω – j150Ω Z = 197Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits Point +4 on the complex plane is 4 units left of the origin on the real axis 4 units below the origin on the j axis 4 units above the origin on the j axis 4 units right of the origin on the real axis 4 units left of the origin on the real axis 4 units below the origin on the j axis 4 units above the origin on the j axis 4 units right of the origin on the real axis 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 1.9 V 27 V 19.2 V 3 V 1.9 V 27 V 19.2 V 3 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with a capacitive reactance of 120 are in series across an ac source. What is the circuit impedance, Z? 12.9Ω 73Ω 167Ω 129Ω 12.9Ω 73Ω 167Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The voltages in Problem 4 are measured at a certain frequency. To make the capacitor voltage greater than the resistor voltage, the frequency must be decreased has no effect must be increased is held constant must be decreased has no effect must be increased is held constant 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 275 W 25 W 19.52 W 195.2 W 275 W 25 W 19.52 W 195.2 W ANSWER DOWNLOAD EXAMIANS APP
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