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Question
Which of the following is not the advantage of negative feedback?
Which of the following is not the advantage of negative feedback?
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Solution
The correct option is C Decreased input impedance and increased output impedance.
The advantages of negative feedback are as follows:i) Highly stabilised gain.
ii) Reduction in the noise level.
iii) Increased band width
iv) Increased input impedance and decreased output impedance.
v) Less distortion.
So, D is incorrect.
The advantages of negative feedback are as follows:
i) Highly stabilised gain.
ii) Reduction in the noise level.
iii) Increased band width
iv) Increased input impedance and decreased output impedance.
v) Less distortion.
ii) Reduction in the noise level.
iii) Increased band width
iv) Increased input impedance and decreased output impedance.
v) Less distortion.
So, D is incorrect.
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