The Emitter Follower MCQ;s

Electronic Devices & Circuits Electronics & Communication Engineering

This set of Electronic Devices & Circuits Multiple Choice Questions & Answers (MCQs) focuses on “The Emitter Follower”.

1. How is the input impedance of an emitter follower amplifier?
a) Irrelevant
b) Moderate
c) Low
d) High

2. How is the output impedance of an emitter follower amplifier?
a) Irrelevant
b) Moderate
c) Low
d) High

3. What type of amplifier is an emitter follower amplifier?
a) Voltage amplifier
b) Wideband amplifier
c) Feedback amplifier
d) Power amplifier

4. How is the current gain of an emitter follower amplifier?
a) Irrelevant
b) Moderate
c) Low
d) High

5. What is the application of an emitter follower amplifier?
a) Positive feedback
b) Voltage gain
c) Power gain
d) Impedance matching

6. What is the value of β in an emitter follower amplifier if Vf = 12V and VO = 12V?
a) 1
b) 124
c) 1.24
d) 0.124

7. How is the power gain of an emitter follower amplifier?
a) Irrelevant
b) Moderate
c) Low
d) High

8. What type of negative feedback does the emitter follower amplifier provide?
a) Voltage, current and power
b) Voltage
c) Current
d) Power

9. What is the voltage gain of an emitter follower amplifier?
a) 1
b) β
c) ∞
d) 0

10. What is the other name for an emitter follower amplifier configuration?
a) Common collector
b) Common base
c) Common emitter
d) Amplifier circuit

Leave a Reply

Your email address will not be published. Required fields are marked *