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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
- 34 gram of water at 30⁰C is poured into a calorimeter at 15⁰C.
- A body of mass 4 kg is accelerated upon by a constant force travels
- A magnetic force acting on a charged particle of charge -2µC in a magnetic field of 2T
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
- Consider two nuclei of the same radioactive nuclide. One of the nuclei was created
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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