RC Circuits When the frequency of the voltage applied to a series RC circuit is decreased, the impedance doubles increases remains the same decreases doubles increases remains the same decreases 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 = 5XC R < XC R = XC R > XC R = 5XC R < XC R = XC ANSWER DOWNLOAD EXAMIANS APP
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 6 kHz 0 Hz 12 kHz 18 kHz 6 kHz 0 Hz 12 kHz 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 3 V 1.9 V 19.2 V 27 V 3 V 1.9 V 19.2 V 27 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 must be increased must be decreased has no effect is held constant must be increased must be decreased has no effect is held constant 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? 0.411 V 411.3 V 45.6 V 4.11 V 0.411 V 411.3 V 45.6 V 4.11 V ANSWER DOWNLOAD EXAMIANS APP