Question
Physics Question on Amplifiers
In an amplifier with negative feedback, the bandwidth is
A
Increased by a factor of β
B
Decreased by a factor of β
C
Increased by a factor of (1+Aβ )
D
Not affected at all by the feedback where A = gain of the basic amplifier and β= feedback factor
Answer
Increased by a factor of (1+Aβ )
Explanation
Solution
The correct option is (C): Increased by a factor of (1+Aβ )