RC Circuits A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is 18 kHz 12 kHz 6 kHz 0 Hz 18 kHz 12 kHz 6 kHz 0 Hz 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? 45.6 V 411.3 V 4.11 V 0.411 V 45.6 V 411.3 V 4.11 V 0.411 V 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 decreased must be increased is held constant has no effect must be decreased must be increased ANSWER DOWNLOAD EXAMIANS APP
RC Circuits In a series RC circuit, when the frequency and the resistance are halved, the impedance doubles cannot be determined without values is halved is reduced to one-fourth doubles cannot be determined without values is halved is reduced to one-fourth 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 = 5XC R = XC R > XC R < XC R = 5XC R = XC R > XC R < XC 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 decreases remains the same becomes erratic increases decreases remains the same ANSWER DOWNLOAD EXAMIANS APP