# Q1: 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

A
B
90°
C
22.52°
D
67.48°

A
14.95°
B
36.88°
C
D
90°

A
55.3°
B
–55.3°
C
34.8°
D
–34.8°

A
24.1 M
B
10 M
C
26.1 M
D
0

A
32.2 mA
B
16 mA
C
12 mA
D
48 mA

A
0.28 A
B
0.399 A
C
909 A
D
0.2 A

# Q8: Power that is measured in volt-amperes is called

A impedance power
B reactive power
C true power
D apparent power

A
R
B
V
C
I
D
XC

# Q10: If the frequency increases in the given circuit, how would the total current change?

A The total current would increase.
B The total current would decrease.
C The total current would remain the same.
D More information is needed in order to predict how the total current would change.

A
14.95°
B
36.88°
C
D
90°

A
45 Vac
B
50 Vac
C
60 Vac
D
65 Vac

# Q13: Which statement about a series RC circuit is true?

A The capacitor's voltage drop is in phase with the resistor's voltage drop.
B The current leads the source voltage.
C The current lags the source voltage.
D The resistor voltage lags the current.

# Q14: What is the effect of increasing the resistance in a series RC circuit?

A There will be no effect at all.
B The current will increase.
C The phase shift will decrease.
D The input voltage will increase.

# Q15: 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

A
10 V
B
4.80 V
C
4.00 V
D
5.80 V

# Q17: Power that is measured in volt-amperes is called

A impedance power
B reactive power
C true power
D apparent power

# Q18: 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

A
24.1 M
B
10 M
C
26.1 M
D
0

A
B
90°
C
22.52°
D
67.48°

# Q21: 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

# Q22: 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 k resistor in parallel?

A
55.3°
B
–55.3°
C
34.8°
D
–34.8°

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