BC 547 . BC 547 PNP and NPN. BC 547 PNP and NPN switching . How to use PC 547 PNP and NPN testing

BC 547 . BC 547 PNP and NPN. BC 547 PNP and NPN switching . How to use PC 547 PNP and NPN testing
5.5(2pis) k resistance
100k. (2pis) resistance
1 blue green
1 red wight
3.7 volt lotham battery
2 bc547 .PNP and npn
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