Explore topic-wise MCQs in Electronic Devices.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices knowledge and support exam preparation. Choose a topic below to get started.

1.

An RC network has values of R = 1.2 k and C = 0.22 F. Find f.

A. 3.79 kHz
B. 1.89 kHz
C. 603 Hz
D. 60 Hz
Answer» D. 60 Hz
Discussion
2.

Refer to this figure. If R decreases in value, the output voltage will

A. increase.
B. decrease.
C. remain the same.
Answer» C. remain the same.
Discussion
3.

An amplifier has an output voltage of 7.6 V p-p at the midpoint of the frequency range. What is the output at f?

A. 3.8 V p-p
B. 3.8 V
C. 5.4 V
D. 5.4 V p-p
Answer» E.
Discussion
4.

A certain amplifier has a bandwidth of 22.5 kHz with a lower cutoff frequency of 600 Hz. What is the value of f?

A. 600 Hz
B. 22.5 kHz
C. 23.1 kHz
D. 21.9 kHz
Answer» D. 21.9 kHz
Discussion
5.

Bandwidth is the difference between f and f.

A. True
B. False
Answer» B. False
Discussion
6.

An amplifier has an R = 1.2 k. The coupling capacitor is 1 F. Determine the approximate lower cutoff frequency.

A. 133 Hz
B. 1.33 kHz
C. 13.3 kHz
D. 133 kHz
Answer» B. 1.33 kHz
Discussion
7.

Refer to this figure. The output voltage at f = 12 mV. What is the output voltage at the midpoint frequency?

A. 12 mV
B. 12 mV p-p
C. 16.97 mV
D. 8.48 mV
Answer» D. 8.48 mV
Discussion
8.

What is the method that can be used to determine the values of f and f of an amplifier?

A. five time constants
B. step-response
C. sinusoidal
Answer» C. sinusoidal
Discussion
9.

Refer to this figure. The capacitor C affects

A. high-frequency response.
B. low-frequency response.
C. midrange response.
D. nothing.
Answer» C. midrange response.
Discussion
10.

An RC network has a roll-off of 20 dB per decade. What is the total attenuation between the output voltage in the midrange of the passband as compared to the output voltage at a frequency of 10 times f?

A. –3 dB
B. –20 dB
C. –23 dB
D. –43 dB
Answer» C. –23 dB
Discussion