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 = 197Ω Z = 47Ω + j150Ω Z = 47Ω – j150Ω Z = 103Ω Z = 197Ω Z = 47Ω + j150Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 645° 8.4890° 3645° 8.4845° 645° 8.4890° 3645° 8.4845° 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 12.9Ω 167Ω 129Ω 73Ω 12.9Ω 167Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A positive angle of 30° is equivalent to a negative angle of –330° –60° –30° –180° –330° –60° –30° –180° 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 is held constant has no effect must be increased must be decreased is held constant has no effect must be increased must be decreased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle becomes erratic increases remains the same decreases becomes erratic increases remains the same decreases ANSWER DOWNLOAD EXAMIANS APP