RC Circuits A 120Ω resistor is in parallel with a capacitor with a capacitive reactance of 40 Ω. Both components are across a 12 V ac source. What is the magnitude of the total impedance? 4800Ω 3.7Ω 37.9Ω 14400Ω 4800Ω 3.7Ω 37.9Ω 14400Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the source voltage decreases, the impedance of a parallel RC circuit increases decreases to zero does not change decreases increases decreases to zero does not change decreases ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 6 + j6 is equivalent to 8.4845° 645° 8.4890° 3645° 8.4845° 645° 8.4890° 3645° 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 845 mW 84.5 mW 130 mW 13 mW 845 mW 84.5 mW 130 mW 13 mW ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle decreases remains the same increases becomes erratic decreases remains the same increases becomes erratic ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 22.94 + j32.76 45.88 + j65.52 55 + j55 40 + j40 22.94 + j32.76 45.88 + j65.52 55 + j55 40 + j40 ANSWER DOWNLOAD EXAMIANS APP