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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
- The electric field associated with an e.m. wave in vacuum is given by
- A wire carrying current I has the shape as shown in adjoining figure. Linear parts
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- The work of 146 kJ is performed in order to compress one kilo mole fo gas adiabatically
- What is the wavelength of light for the least energetic photon emitted
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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