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? 45.6 V 4.11 V 0.411 V 411.3 V 45.6 V 4.11 V 0.411 V 411.3 V ANSWER DOWNLOAD EXAMIANS APP
RC Circuits When the frequency of the voltage applied to a series RC circuit is increased, the phase angle remains the same becomes erratic decreases increases remains the same becomes erratic decreases increases 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 has no effect must be decreased is held constant must be increased has no effect must be decreased is held constant must be increased 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 4800Ω 3.7Ω 37.9Ω 14400Ω 4800Ω 3.7Ω 37.9Ω 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? 73Ω 167Ω 12.9Ω 129Ω 73Ω 167Ω 12.9Ω 129Ω ANSWER DOWNLOAD EXAMIANS APP
RC Circuits Point +4 on the complex plane is 4 units right of the origin on the real axis 4 units above the origin on the j axis 4 units left of the origin on the real axis 4 units below the origin on the j axis 4 units right of the origin on the real axis 4 units above the origin on the j axis 4 units left of the origin on the real axis 4 units below the origin on the j axis ANSWER DOWNLOAD EXAMIANS APP
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