The de voltmeter reading is approximately 0 V, and the ac voltmeter reading is 2

Question

The de voltmeter reading is approximately 0 V, and the ac voltmeter reading is 2 V. Cause: C is shorted C is open R_1 is shorted. The dc voltmeter reading is 10 V, and the ac voltmeter reading is 0 V. C is shorted C is open R_1 is shorted The dc voltmeter readings is 10 V, and the ac voltmeter reading is 1.8 V. cause: R_1 is shorted. R_2 is open. C is shorted. An 8 kHz sinusoidal voltage is applied to a series RC circuit. What is the frequency of the volt-tie across the resistor? Across the capacitor? What is the waveshape of the current in the circuit of Problem 1? Find the impedance of each circuit in Figure 10-61.

Explanation / Answer

(a) given R=270ohm and Xc=100ohm

impedance Z= R-jXc = (270-j100)ohm

phase angle =tan-1(Xc/R)

= tan-1(-100/270)

= -20.32degree

(b) Given R=680ohm Xc=1Kohm=1000ohm

impedance Z=R-jXc

=(680-j1000)ohm

phase angle = tan-1(Xc/R)

= tan-1(-1000/680)

= -55.78degree

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