EC > GATE 2013 SET-2 > Feedback Amplifiers
In a voltage-voltage feedback as shown below, which one of the following statements is TRUE if the gain k is increased?
A
The input impedance increases and output impedance decreases.
B
The input impedance increases and output impedance also increases.
C
The input impedance decreases and output impedance also decreases.
D
The input impedance decreases and output impedance increases.

Correct : c

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voltage-voltage feedback AC circuit GATE EC 2013 input impedance changes output impedance changes AC circuit analysis gate electrical voltage feedback circuit impedance changes gate AC circuit impedance

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