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MCQ - Unit 3

This document is a multiple-choice question test for the third semester students of the Electronics and Communication Engineering department at Christ the King Engineering College. It covers topics related to electronic devices and circuits, specifically focusing on differential amplifiers with active loads. The test consists of 10 questions, each carrying 0.5 marks, for a total of 10 marks.

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Uma Devi C
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48 views2 pages

MCQ - Unit 3

This document is a multiple-choice question test for the third semester students of the Electronics and Communication Engineering department at Christ the King Engineering College. It covers topics related to electronic devices and circuits, specifically focusing on differential amplifiers with active loads. The test consists of 10 questions, each carrying 0.5 marks, for a total of 10 marks.

Uploaded by

Uma Devi C
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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CHRIST THE KING ENGINEERING COLLEGE

Affiliated to Anna University, Chennai and Approved by AICTE, New Delhi


Karamadai, Coimbatore – 641104
B.E. - DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
THIRD SEMESTER
EC3353 – ELECTRONIC DEVICES AND CIRCUITS
MCQ TEST – III
(REGULATION 2021)
Answer All the Questions Date:
Each Question Carries 0.5 Marks of Total 10 Marks
Name of the Student : Marks Awarded
Reg. No. :
Year :
Semester : Signature of the Faculty

1. What is the voltage gain of a differential amplifier with active load?

a)1 b)0 c) ∞ d) Can’t determined

2. What is the problem with a single operational differential amplifier with active load?

c) Low output d) High output


a) High input resistance b) Low input resistance
resistance resistance
What is the total voltage gain of a differential amplifier with active load if the gain of first stage is 4.8
3.
and the gain of the second stage is 1.2?

a) 6.75 b) 6.55 c) 5.76 d) 5.65

What is the total voltage gain of a differential amplifier with active load if input of first stage is 50V
4.
and the output of the second stage is 100V?

a) 20 b) 0.2 c) 2.5 d) 2

5. How is the voltage gain measured in a differential amplifier with active load?

a) Volts b) Ampere c) Decibels d) Dimensionless

6. What is the purpose of using a differential amplifier with active load?

b) Decrease voltage c) Increase current d) Decrease current


a) Increase voltage gain
gain gain gain

7. How many methods of coupling are used for a differential amplifier with active load?

a)3 b)4 c)2 d)5

8. The frequency response of transformer coupling is


a) Good b) Very Good c) Excellent d) Poor

9. What is the purpose of RC or transformer coupling?

b) To separate bias of c) Increase thermal


a) To block a.c. d) Increase Efficiency
one stage from another stability

10. A radio receiver has how many stages of amplification?

a)1 b)2 c)3 d) More than one

Prepared By Verified by Approved by


Mrs.V.Nithya – AP/ ECE HoD/ ECE Principal

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