we had to use a multimeter and check a BJT transistor and lean how to tell between PNP and NPN also be able to fine out which of the three post are the emitter colcetor and base.
Then we analised that the BJT will not work if you dont get the POLARITIES right, we found that by useing a multimeter.
NPN TYPE
vbe 0.825
veb 0.829
vbc O/L
vcb 0.822
vce O/L
vec O/L
PNP TYPE
vbe 0.825
veb O/L
vbc 0.822
vcb O/L
vceO/L
vecO/L
on your NPN types your Vbe is in the wrong place. some explanation would be nice
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