SRMJEEE SERIES Physics
Amplifiers
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2018 1
2017 Chapter Questions 2 MCQs
01
PYQ 2017
medium
physics ID: srmjeee-
If the feedback fraction of an amplifier is 0.01, then voltage gain with negative feedback is approximately ____
1
500
2
100
3
1000
4
5000
02
PYQ 2018
medium
physics ID: srmjeee-
In an amplifier with negative feedback, the bandwidth is
1
Increased by a factor of β
2
Decreased by a factor of β
3
Increased by a factor of (1+Aβ )
4
Not affected at all by the feedback where A = gain of the basic amplifier and β= feedback factor