The current gain of a common emitter amplifier is 69. If the emitter current is 7.0 mA, collector current is :
9.6 mA
6.9 mA
0.69 mA
69 mA
As we have learnt,
Relation between α and β -
- wherein
(current gain )
Current gain
Option 1)
9.6 mA
Option 2)
6.9 mA
Option 3)
0.69 mA
Option 4)
69 mA
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