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BJT stands for Bipolar Junction Transistor. It is a three-terminal electronic device constructed of doped semiconductor material and may be used in amplifying or switching applications.

10
votes
4answers
Bipolar transistor are said to have both electron flow and hole flow. Movement of electrons can be understood, but holes are fixed part of the atomic/crystal structure. How can we characterize their m …
asked Mar 22 '13 by Ali Khan
1
vote
5answers
FET is named Field Effect Transistor while field effect is also producing in bjt. What are the factors/reasons that FET is called field effect while bjt is not? I have read textbook but it didn't explain it. …
asked Mar 29 '13 by Ali Khan
8
votes
4answers
My question is why JFET/FET is called voltage controlled device while BJT is called current controlled as both required voltage to operate properly.In both electric field is produced so why is the … difference? Now the question is that current is also generated due to Voltage and still BJT is current controlled and FET voltage controlled. Any Ideas? …
asked Mar 27 '13 by Ali Khan
1
vote
3answers
Why is input impedance is higher in Common-Emitter configuration as compared to Common-Base configuration as signal is applied on Base-Emitter junction in both Amplifiers. Not in both configurations …
asked Apr 1 '13 by Ali Khan