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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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- A meter stick of mass 400 g is pivoted at one end and displaced through an angle 60°.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two capacitors 3μF and 4μF, are individually charged across a 6 V battery.
- A meter stick of mass 400 g is pivoted at one end and displaced through an angle 60°.
- A parallel plate capacitor of a capacitance 1 pF has seperation between the plates
- A neutron is moving with a velocity u.It collides head on and elastically with an atom
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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