RC Circuits In the complex plane, the number 14 – j5 is located in the first quadrant fourth quadrant second quadrant third quadrant first quadrant fourth quadrant second quadrant third quadrant 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? 167Ω 129Ω 73Ω 12.9Ω 167Ω 129Ω 73Ω 12.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits What is the angular difference between +j4 and –j4? 180° 270° 90° 30° 180° 270° 90° 30° 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 is held constant must be increased must be decreased has no effect is held constant must be increased 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
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit does not change decreases to zero decreases increases does not change decreases to zero decreases increases ANSWER DOWNLOAD EXAMIANS APP