The efficiency of series fed class A power amplifier is

ECICA-UNIT1-Power amplifiers

Quiz
•
Design
•
University
•
Medium

Mr.G. Ravi Kumar Reddy undefined
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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
78.5%
25%
50%
100%
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Arrange the power amplifiers in ascending order according to their efficiency
A,B,AB,C
C,AB,B,A
A,AB,B,C
A,AB,C,B
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Arrange the following power amplifiers according to increasing order of their power dissipation
A,AB,B,C
A,B,AB,C
C,B,A,AB
C,B,AB,A
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The maximum efficiency of class B power amplifier is
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Identify the disadvantage of class B power amplifier when compared to class A power amplifier
Efficiency is more
less power dissipation
more output power
cross over distortion
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
The advantages of class B power amplifier when compared to class A power are
More efficiency
less power dissipation
More output power
less output power
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
20W
25W
160W
200W
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
63%
78.5%
70%
50%
9.
FILL IN THE BLANK QUESTION
1 min • 1 pt
A transformer coupled class A power amplifier supplies 2W of power to speaker.If the supply voltage is 36V and ICQ is 150mA,find the efficiency of the circuit
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