This set of Electronic Devices & Circuits Multiple Choice Questions & Answers (MCQs) focuses on “N-Stage Cascading Amplifiers”.

1. 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

2. 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

3. 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

4. What is the total voltage gain of the nth stage in an n-stage cascading amplifier?
a) AVK = AIK × RLK × RiK
b) AVK = AIK × RiK / RLK
c) AVK = AIK / RLK × RiK
d) AVK = AIK × RLK / RiK

5. How many ports are there in an n-stage cascading amplifier?
a) 3
b) 4
c) 2
d) 5

6. The middle stage of an n-stage cascading amplifier provides most gain.
a) True
b) False

7. What are n-stage cascading amplifiers also known as?
a) Common collector amplifier
b) Multistage amplifiers
c) Common base amplifier
d) Common emitter amplifier

8. 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

9. 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

10. How is the voltage gain measured in an n-stage cascading amplifier?
a) Volts
b) Ampere
c) Decibels
d) Dimensionless