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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
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An alpha nucleus of energy 1/2 mv² bombards a heavy nuclear target of charge Ze
- A steady current is passing through a linear conductor of non-uniform cross-section.
- When indensity of radiation is increased on a photosensitive plate, then
- An electric dipole of length 1 cm is placed with the axis making an angle of 30⁰
- When a metallic surface is illuminated with radiation of wavelength λ,
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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