5) For a Digital Muti-meter when set to the Diode Test ( ), It will indicate con

Question

5) For a Digital Muti-meter when set to the Diode Test ( ), It will indicate continuity when the RED lead is connected to the Anode of a known good Diode and the black lead is connected to the Cathode (will show Forward voltage drop). When the leads are Reversed, there is no continuity indicated. With this knowledge, you know test an unknown transistor whose termi numbered #1, #2 and #3 and obtained the following result: (15 Points) nals are Black #2 #3 #1 #3 #1 #2 Result Red #1 #1 #2 #2 #3 #3 No Continuity Continuity No Continuity Continuity No Continuity No Continuity a) Is the Transistor Good or Bad? b) Which terminals #1, #2 or #3 is the Base? c) Is it PNP or NPN? 0

Explanation / Answer

1- Emmiter

2- Collector

3- Base

It is PNP Transistor and from the continuity and discontinuity measurements it is clear that there is no direct connection between emitter and collector therefore transitor is working fine and good.

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