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 When the frequency of the voltage applied to a series RC circuit is increased, the phase angle increases decreases remains the same becomes erratic increases decreases remains the same becomes erratic ANSWER DOWNLOAD EXAMIANS APP
RC Circuits A 47Ω resistor and a capacitor with 150Ω of capacitive reactance are in series across an ac source. The impedance, expressed in rectangular form, is Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω Z = 197Ω Z = 103Ω Z = 47Ω – j150Ω Z = 47Ω + j150Ω ANSWER DOWNLOAD EXAMIANS APP
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? 14400Ω 3.7Ω 4800Ω 37.9Ω 14400Ω 3.7Ω 4800Ω 37.9Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits The complex number 40 angle 55° is equivalent to 40 + j40 45.88 + j65.52 55 + j55 22.94 + j32.76 40 + j40 45.88 + j65.52 55 + j55 22.94 + j32.76 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 4.11 V 45.6 V 0.411 V 411.3 V 4.11 V 45.6 V ANSWER DOWNLOAD EXAMIANS APP