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Class 12 NEET Physics Semiconductor Electronics Part 2
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Question : 31
Total: 43
In a common emitter transistor amplifier the audio signal voltage across the collector is 3V. The resistance of collector is 3kΩ. If current gain is 100and the base resistance is 2kΩ,the voltage and power gain of the amplifier is :-
[NEET 2017]
15 and 200
150 and 15000
20 and 2000
20 and 1000
Validate
Solution:
👈: Video Solution
A
V
=
β
R
C
R
B
=
100
×
3
k
Ω
2
k
Ω
=
150
Power again
=
β
A
V
=
100
×
150
=
15000
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