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 = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω 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 increased is held constant has no effect must be decreased must be increased is held constant has no effect must be decreased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 55 + j55 40 + j40 45.88 + j65.52 22.94 + j32.76 55 + j55 40 + j40 45.88 + j65.52 22.94 + j32.76 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? 73Ω 129Ω 167Ω 12.9Ω 73Ω 129Ω 167Ω 12.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 90° 270° 30° 180° 90° 270° 30° 180° 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 19.52 W 25 W 275 W 195.2 W 19.52 W 25 W 275 W 195.2 W ANSWER DOWNLOAD EXAMIANS APP
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