GATE ECE 2013 | Feedback Amplifier Question 7 | Analog Circuits

In a voltage-voltage feedback as shown below, which one of the following statements is TRUE, if the gain k is increased? GATE ECE 2013 Analog Circuits - Feedback Amplifier Question 16 English

GATE ECE 2013 Analog Circuits - Feedback Amplifier Question 16 English

The input impedance increases and output impedance decreases.

The input impedance increases and output impedance also increases.

The input impedance increases and output impedance increases.

GATE ECE 1998

MCQ (Single Correct Answer)

-0.3

In a shunt-shunt negative feedback Amplifier, as compared to the basic Amplifier,

both input and output impedance decreases .

input impedance decreases but output impedance increases.

input impedance increases but output impedance decreases

both input and output impedance decreases

GATE ECE 1995

MCQ (Single Correct Answer)

-0.3

To obtain very high input and output impedances in a feedback Amplifier, the mostly used is

Voltage - series

Current - series

Voltage - shunt

Current - shunt

GATE ECE 1993

MCQ (More than One Correct Answer)

-0

Negative feedback in Amplifiers.

improves the signal to noise ratio at the i/p.

improves the signal to noise ratio at the o/p.

does not effect the signal to noise ratio at the o/p.

Reduces distortion

Questions Asked from Marks 1

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GATE ECE Subjects

Signals and Systems

Network Theory

Control Systems

Digital Circuits

General Aptitude

Electronic Devices and VLSI

Analog Circuits

Engineering Mathematics

Microprocessors

Communications

Electromagnetics