RC Circuits A resistor and a capacitor are in series across a 20 V ac source. Circuit impedance is 4.33 k. Current flow in the circuit is 460 mA 92 mA 4.6 mA 9.2 mA 460 mA 92 mA 4.6 mA 9.2 mA ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 2 kΩ resistor and a 0.002 μF capacitor are in series across an ac source. Current in the circuit is 6.50 mA. The true power is 84.5 mW 130 mW 13 mW 845 mW 84.5 mW 130 mW 13 mW 845 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 645° 8.4845° 8.4890° 3645° 645° 8.4845° 8.4890° 3645° 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 must be decreased has no effect must be increased is held constant must be decreased has no effect 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 > XC R = 5XC R = XC R < XC R > XC R = 5XC 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
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