Which transistor is used as amplifier?

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Tags

1. #collector
2. #input
3. #because
4. #using
5. #called
6. #allows
7. #transistors
8. #common
9. #there
10. #amplifier
11. #multiple
12. #ground
13. #configuration
14. #output
15. #emitter
16. #voltage
17. #configurations