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Bipolar Junction Transistors (BJT)

Q1:
A current ratio of IC/IE is usually less than one and is called:

A beta

B theta

C alpha

D omega

ANS:C - alpha

β = Ic/Ib.
α = Ic/Ie.
γ =Ie/Ib.

Ic = Collector current,
Ib = Base current,
Ie = Emitter current.



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