RC Lag Circuit: The source voltage is 1 V with a frequency of 1 kHz. The source is connected to a resistance of 1 kohm in series with a capacitance of 159 nF. What is the capacitor voltage and phase angle?

Answer: With the RC lag circuit shown below, the capacitive reactance is 1 kohm. Using the equation shown, the output voltage is 707 mV.

Using the equation shown, the phase angle is -45 degrees.

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