Exercise: Rc Circuits

Questions for: Rc Circuits

Which circuit is represented by the frequency response curve in the given figure?

A:
High-pass filter
B:
Low-pass filter
C:
Band-pass filter
D:
Band-stop filter


Answer: B
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What is the phase angle for a parallel circuit consisting of a 500 kHz, 5 Vac source with a 47 pF capacitor, and a 4.7 komega.gif resistor in parallel?
A:
55.3°
B:
–55.3°
C:
34.8°
D:
–34.8°
Answer: C
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Calculate the phase angle in the given circuit.

A:
0°
B:
90°
C:
22.52°
D:
67.48°
Answer: D
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Calculate the magnitude of the impedance in the given circuit.

A:
24.1 Momega.gif
B:
10 Momega.gif
C:
26.1 Momega.gif
D:
0 omega.gif
Answer: C
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As frequency increases
A:
both series and parallel RC impedance decrease
B:
series RC impedance decreases and parallel RC impedance increases
C:
series RC impedance increases and parallel RC impedance decreases
D:
both series and parallel RC impedance increase
Answer: A
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