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 What is the angular difference between +j4 and –j4? 180° 90° 270° 30° 180° 90° 270° 30° 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 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? 411.3 V 45.6 V 4.11 V 0.411 V 411.3 V 45.6 V 4.11 V 0.411 V 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? 12.9Ω 73Ω 167Ω 129Ω 12.9Ω 73Ω 167Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
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