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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
- A nucleus disintegrates into two nuclear parts which have their velocities in the ratio
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
- A body starts from rest with an acceleration of 2 m/s². After 5 second,
- The particle executing simple harmonic motion has a kinetic energy K₀cos²ωt.
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