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The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be
Options
(a) 1.25
(b) 100
(c) 90
(d) 10
Correct Answer:
100
Explanation:
One applies negative feed-back, which reduces the output but makes it very stable. For voltage amplification amplifiers the value of output voltage without the negative feed-back could be very high. The value max shown here is 100.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A simple pendulum is suspended from the ceiling of a lift. When the lift is at rest
- The damping force on an oscillator is directly proportional to the velocity.
- A long straight wire of radius a carries a steady current I. The current is uniformly
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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