Question

Difference between a fet and a bipolar transistor

Answer 1

Answer:

fet is unipolar and bjt is bipolar

Answer 2

$\fbox \color{red} ANSWER$

1) ＦＥＴ

➻It is unipolar device.

➻ Current conduction is only by majority charge carriers.

➻ It is a voltage controlled device

➻ Input resistance is very high

➻Less noisy

➻ Fabrication is simpler in IC

2) ＢＪＴ

➻ It is bipolar device

➻Current conduction is by both charge carriers(electrons and holes)

➻It is a current controlled device

➻Input resistance is very low

➻More noisy

➻Fabrication is difficult in IC

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