Explore topic-wise MCQs in Electronic Devices and Circuits.

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

1.

How is the voltage gain measured in an n-stage cascading amplifier?

A. Volts
B. Ampere
C. Decibels
D. Dimensionless
Answer» D. Dimensionless
2.

At what frequencies does the gain of the n-stage cascading amplifier get compromised?

A. Mid-range frequencies
B. High-range frequencies
C. Low-range frequencies
D. It does not affect the gain
Answer» D. It does not affect the gain
3.

The middle stage of an n-stage cascading amplifier provides most gain.

A. True
B. False
Answer» B. False
4.

What is the total voltage gain of an n-stage cascading amplifier if the gain of stages are 5dB, 14dB, 20dB, 15dB and 24dB?

A. 76dB
B. 46dB
C. 78dB
D. 79dB
Answer» D. 79dB
5.

How many ports are there in an n-stage cascading amplifier?

A. 3
B. 4
C. 2
D. 5
Answer» D. 5
6.

What are n-stage cascading amplifiers also known as?

A. Common collector amplifier
B. Multistage amplifiers
C. Common base amplifier
D. Common emitter amplifier
Answer» C. Common base amplifier
7.

What is the total voltage gain of the nth stage in an n-stage cascading amplifier?

A. A<sub>VK</sub> = A<sub>IK</sub> R<sub>LK</sub> R<sub>iK</sub>
B. A<sub>VK</sub> = A<sub>IK</sub> R<sub>iK</sub> / R<sub>LK</sub>
C. A<sub>VK</sub> = A<sub>IK</sub> / R<sub>LK</sub> R<sub>iK</sub>
D. A<sub>VK</sub> = A<sub>IK</sub> R<sub>LK</sub> / R<sub>iK</sub>
Answer» E.
8.

What is the total voltage gain of a cascading transistor amplifier if the individual gains are: 1.5, 2.3, 3.46 and 2?

A. 18.52
B. 9.26
C. 23.87
D. 11.26
Answer» D. 11.26
9.

Which two terminals of the transistors are connected in an n-stage cascading amplifier?

A. Collector
B. Base
C. Emitter
D. Collector, base and emitter
Answer» D. Collector, base and emitter
10.

What is the purpose of using ann-stage cascading transistor amplifier?

A. Increase voltage gain
B. Decrease voltage gain
C. Increase current gain
D. Decrease current gain
Answer» B. Decrease voltage gain