Multistage Transistor Amplifier Quiz | Multistage Transistor Amplifier Multiple Choice Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 In transistor amplifiers, we use ……………. transformer for impedance matching
A Step up
B Step down
C Same turn ratio
D None of the above

Answer: Step down
2 RC coupling is not used to amplify extremely low frequencies because ………
A There is considerable power loss
B There is hum in the output
C Electrical size of coupling capacitor becomes very large
D None of the above

Answer: Electrical size of coupling capacitor becomes very large
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 The ear is not sensitive to ………….
A Frequency distortion
B Amplitude distortion
C Frequency as well as amplitude distortion
D None of the above

Answer: Frequency distortion
4 The final stage of a multistage amplifier uses ………………
A RC coupling
B Transformer coupling
C Direct coupling
D Impedance coupling

Answer: Transformer coupling
5 If a three-stage amplifier has individual stage gains of 10 db, 5 db and 12 db, then total gain in db is ……….
A 600 db
B 24 db
C 14 db
D 27 db

Answer: 27 db
6 Transformer coupling is generally employed when load resistance is ………
A Large
B Very large
C Small
D None of the above

Answer: Small
7 Transformer coupling provides high efficiency because …………
A Collector voltage is stepped up
B c. resistance is low
C collector voltage is stepped down
D None of the above

Answer: c. resistance is low
8 In practice, voltage gain is expressed ……………
A In db
B In volts
C As a number
D None of the above

Answer: In db
9 ………….. coupling provides the maximum voltage gain
A RC
B Transformer
C Direct
D Impedance

Answer: Transformer
10 When a multistage amplifier is to amplify d.c. signal, then one must use …….. coupling
A RC
B Transformer
C Direct
D None of the above

Answer: Direct
11 The noise factor of an ideal amplifier expressed in db is …………..
A 0
B 1
C 10
D None of the above

Answer: 0
12 In RC coupling, the value of coupling capacitor is about ……….
A 100 pF
B 0.1 µF
C 0.01 µF
D 10 µF

Answer: 10 µF
13 In an RC coupling scheme, the coupling capacitor CC must be large enough ………..
A To pass d.c. between the stages
B Not to attenuate the low frequencies
C To dissipate high power
D None of the above

Answer: Not to attenuate the low frequencies
14 Transformer coupling is used for ………….. amplification
A Power
B Voltage
C Current
D None of the above

Answer: Power
15 The best frequency response is of ………. coupling
A RC
B Transformer
C Direct
D None of the above

Answer: Direct
16 An advantage of RC coupling scheme is the ………….
A Good impedance matching
B Economy
C High efficiency
D None of the above

Answer: Economy
17 In obtaining the frequency response curve of an amplifier, the …………
A Amplifier level output is kept constant
B Amplifier frequency is held constant
C Generator frequency is held constant
D Generator output level is held constant

Answer: Generator output level is held constant
18 In an RC coupled amplifier, the voltage gain over mid-frequency range …………….
A Changes abruptly with frequency
B Is constant
C Changes uniformly with frequency
D None of the above

Answer: Is constant
19 RC coupling is used for ………………. amplification
A Voltage
B Current
C Power
D None of the above

Answer: Voltage
20 A radio receiver has …………… of amplification
A One stage
B Two stages
C Three stages
D More than one stages

Answer: More than one stages

Random GK Questions

Q. What is the maximum water vapour content in the atmosphere?
Q. Which of the following countries has highest percentage of land under cultivation?
Q. Estimates Committee consist of members from
Q. Earthquakes occur when there is a sudden release of stored up energy in Earth's
Q. A metel that easily in hot water is:
Q. The first Election Commissioner of India was
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series