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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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- An observer moving away from a stationary source. The observed frequency is half
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Temperature is a measurement of coldness or hotness of an object.
- Electromagnetic induction is not used in
- An observer moving away from a stationary source. The observed frequency is half
- A wheel has angular acceleration of 3.0 rad/sec² and an initial angular speed
- A cricketer catches a ball of mass 150 g in 0.1 sec moving with speed 20 m/s
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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