In a common emitter transistor amplifier the audio signal voltage across the collector is 3 V. The resistance of collector is 3 k. If current gain is 100 and the base resistance is 2 k, the voltage and power gain of the amplifier is :
200 and 1000
15 and 200
150 and 15000
20 and 2000
Amplifier -
Transistor is used as an amplifier
- wherein
in such circuit output is amplified as compared to input .
Voltage gain =
Power gain=
Option 1)
200 and 1000
This option is incorrect.
Option 2)
15 and 200
This option is incorrect.
Option 3)
150 and 15000
This option is correct.
Option 4)
20 and 2000
This option is incorrect.