A.NPN型,紅表棒所接的為基極 B.NPN型,紅表棒所接的為集電極 C.PNP型,紅表棒所接的為基極 D.PNP型,紅表棒所接的為集電極
A.1/6 B.1/4 C.1/3 D.1/2
A.20 B.80 C.100 D.140