Explore topic-wise MCQs in Active Filter Circuits.

This section includes 170 Mcqs, each offering curated multiple-choice questions to sharpen your Active Filter Circuits knowledge and support exam preparation. Choose a topic below to get started.

151.

A difference between a passive filter and an active filter is that a passive filter uses amplifier(s), but an active filter does not.

A. True
B. False
C. -
D. -
Answer» C. -
Discussion
152.

Calculate the output of the second stage op-amp if V 1 = 25 mV.

A. –0.075 V
B. 0.525 V
C. 0.06 V
D. 4.2 V
Answer» B. 0.525 V
Discussion
153.

Calculate the input voltage when V o = 11 V.

A. 1.1 V
B. –1.1 V
C. –1 V
D. 1 V
Answer» E.
Discussion
154.

This circuit is an example of a(n)________.

A. dc voltmeter
B. display driver
C. instrumentation amplifier
D. None of the above
Answer» D. None of the above
Discussion
155.

Determine the value of R f (assuming that all have the same value).

A. 500 k
B. 50 k
C. 25 k
D. 5 k
Answer» C. 25 k
Discussion
156.

Calculate the input voltage for this circuit if V o = –11 V.

A. 1.1 V
B. –1.1 V
C. –1 V
D. 1 V
Answer» B. –1.1 V
Discussion
157.

Calculate the output voltage.

A. –6.00 mV
B. 6.0 mV
C. 6.12 mV
D. –6.12 mV
Answer» D. –6.12 mV
Discussion
158.

Calculate the output voltage if V 1 = 300 mV and V 2 = 700 mV.

A. 0 V
B. –12 V
C. 12 V
D. –4 V
Answer» E.
Discussion
159.

Calculate the cutoff frequencies of a bandpass filter with R 1 = R 2 = 5 k and C 1 = C 2 = 0.1 F.

A. f OL = 318.3 Hz, f OH = 318.3 Hz
B. f OL = 636.6 Hz, f OH = 636.6 Hz
C. f OL = 318.3 Hz, f OH = 636.6 Hz
D. f OL = 636.6 Hz, f OH = 318.3 Hz
Answer» B. f OL = 636.6 Hz, f OH = 636.6 Hz
Discussion
160.

Calculate the output voltage if V 1 = V 2 = 700 mV.

A. 0 V
B. –12 V
C. 12 V
D. –8 V
Answer» B. –12 V
Discussion
161.

Calculate the output of the first-stage op-amp when V 1 = 25 mV.

A. –1.05 V
B. 0.075 V
C. 0.06 V
D. 4.2 V
Answer» C. 0.06 V
Discussion
162.

Calculate the input voltage if the final output is 10.08 V.

A. –1.05 V
B. 0.525 V
C. 0.168 V
D. 4.2 V
Answer» D. 4.2 V
Discussion
163.

Determine the output voltage when V 1 = V 2 = 1 V.

A. 0 V
B. –2 V
C. 1 V
D. 2 V
Answer» B. –2 V
Discussion
164.

Determine the output voltage for this circuit with a sinusoidal input of 2.5 mV.

A. –0.25 V
B. –0.125 V
C. 0.25 V
D. 0.125 V
Answer» C. 0.25 V
Discussion
165.

Calculate the output voltage if V 1 = V 2 = 0.15 V.

A. 0 V
B. 4.65 V
C. 6.45 V
D. –6.45 V
Answer» E.
Discussion
166.

How many op-amps are required to implement this equation?

A. 2
B. 3
C. 4
D. 1
Answer» E.
Discussion
167.

Determine the output voltage when V 1 = –V 2 = 1 V.

A. 0 V
B. –2 V
C. 1 V
D. 2 V
Answer» C. 1 V
Discussion
168.

A number of op-amp stages can be used to provide separate gains.

A. True
B. False
C. -
D. -
Answer» B. False
Discussion
169.

Calculate the output voltage if V 1 = –0.2 V and V 2 = 0 V.

A. 0 V
B. –6.6 V
C. –4 V
D. 2 V
Answer» E.
Discussion
170.

Calculate the output voltage for this circuit when V 1 = 2.5 V and V 2 = 2.25 V.

A. –5.25 V
B. 2.5 V
C. 2.25 V
D. 5.25 V
Answer» E.
Discussion