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An amplifier has a voltage gain Av=1000. The voltage gain in dB is
Options
(a) 30 dB
(b) 60 dB
(c) 3 dB
(d) 20 dB
Correct Answer:
60 dB
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When ₉₀Th²²⁸ transforms to ₈₃Bi²¹², the number of emitted α and β particles
- If angular momentum of a body is increased by 200% its kinetic energy will increase
- If h is the height of the capillary rise and r be the radius of capillary tube,
- A transistor is operated in common emitter configuration at constant collector
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Voltage gain in dB = 20log(voltagegain)
20 log(1000)= 20×3 =60dB