Foxoyo
Electronics and Communication Engineering Analog Electronics

Assertion
(A): An op-amp has high voltage gain, high input impedance and low output impedanceReason (R): Negative feedback increases output impedance


A Foxoyo User A Foxoyo User
  • Level 0
  • 0
    Attempts
  • 92
    users
  • 0 %
    Accuracy

  • share

Guaranteed answer

Just add "foxoyo"

next time you Google a mcq Questions

I want answer on Click

Related MCQs

Assertion
(A): An op-amp has high voltage gain, high input i
Assertion
(A): An op-amp has high voltage gain, high input impedance and low output impedanceReason (R): Negative feedback increases output impedance
Consider the following statements, regarding an OP AMP: All
Consider the following statements, regarding an OP AMP: All types of negative feedback reduce non-lineardistortion.
All types of negative feedback reduce the output offsetvoltage.
Non-inverting
(current and voltage) feedback increases the inputimpedance.
Inverting
(current and voltage) feedback decreases inputimpedance.
Which of the above statements is/are correct
Assertion
(A): A large negative feedback is deliberately int
Assertion
(A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation is in parameters of active device and othercomponents.
Reason (R): A large negative feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to feedback factor
Assertion
(A): A large negative feedback is deliberately int
Assertion
(A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation in parameters of activedevice.
Reason (R): A large negative value of feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to the feedback factor
A negative-feedback closed-loop system is supplied to an inp
A negative-feedback closed-loop system is supplied to an input 5
V. The system has a forward gain of 1 and a feedback gain of 1 and a feedback gain of 1. What is the output voltage
An amplifier has input impedance of 4 kΩ and output impedan
An amplifier has input impedance of 4 kΩ and output impedance of 80 kΩ. It is used in negative feedback circuit with 10%feedback.
If open loop gain is 90, the closed loop input and output impedances are
Match the following: List I List II
A.Wein bridge oscillator
Match the following: List I List II
A.Wein bridgeoscillator1.
Low outputimpedanceB.
Voltage shunt feedbackamplifier2.
RF frequencyrangeC.
Crystaloscillator3.
Audio frequencyrangeD.
Current shunt feedbackamplifier4.
High input impedance 5.High output impedance
An amplifier has open loop gain of 100, input impedance 1 kÎ
An amplifier has open loop gain of 100, input impedance 1 kΩ and output impedance 100 Ω. If negative feedback with β = 0.99 is used, the new input and output impedances are
An amplifier without feedback has a voltage gain of 50, inpu
An amplifier without feedback has a voltage gain of 50, input resistance of 1 kΩ and output resistance of 2.5 kΩ. The input resistance of the current shunt -ve feedback amplifier using the above amplifier with a feedback factor of 0.2 is
Assertion
(A): A Darlington amplifier has very low output im
Assertion
(A): A Darlington amplifier has very low output impedanceReason (R): The circuit has a low resistance RE between emitter and ground

No Public Explanation

Click option to see answer

Post your public answer

Every MCQ Answered

1. Add foxoyo.com with question

2. Click option and get answer

Suggested Books

Related Topics