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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
- If h is Planck’s constant, the momentum of a photon of wavelength 0.01 Å is
- A simple pendulum oscillates in a vertical plane. When it passes through the mean
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
- Characteristic X-rays are produced due to
- A 1kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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