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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) 90
(b) 10
(c) 1.25
(d) 100
Correct Answer:
100
Explanation:
Negative feedback is applied to reduce the output voltage of an amplifier. If there is no negative feedback, the value of output voltage could be very high. In the option given, the maximum value of voltage gain is 100. hence it is the correct option.
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Topics: Electronic Devices
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 1 curie is equal to
- When a mass M is attached to a spring of force constant K,
- Two bubbles A and B (A>B) are joined through a narrow tube. Then
- If the earth shrink such that its mass does not change but radius decreases to one
- The electrons are emitted in the photoelectric effect from a metal surface
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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