| ⇦ |
| ⇨ |
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.
Related Questions: - A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
- The current in the coil of inductance 5H decreases at the rate of 2 A/s
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
Topics: Electronic Devices
(124)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A bomb of mass 30 kg at rest exploded into two pieces of masses 18 kg
- The current in the coil of inductance 5H decreases at the rate of 2 A/s
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
- A bullet of mass m moving with velocity v strikes a block of mass M at rests
- A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
Topics: Electronic Devices (124)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends

Voltage gain in dB = 20log(voltagegain)
20 log(1000)= 20×3 =60dB