Electronics - Bipolar Junction Transistors (BJT) - Discussion
Discussion Forum : Bipolar Junction Transistors (BJT) - General Questions (Q.No. 4)
4.
A current ratio of IC/IE is usually less than one and is called:
Discussion:
9 comments Page 1 of 1.
Girish said:
1 decade ago
Because it is the ratio of collector current to the emitter current and it is true collector current is less than emitted and is called alpha or current gain.
Amit said:
1 decade ago
Ie=Ic+Ib
Ib<<Ic
hence (Ic/Ie )<1
Ib<<Ic
hence (Ic/Ie )<1
(1)
Nisha said:
1 decade ago
B/C here the ratio shows common base configuration so the ratio is denote by alpha.
Kalpana said:
1 decade ago
In common base configuration the amplification factor is represented by 'Alpha'.
alpha=output current/input current
alpha=Ic/Ie.
alpha=output current/input current
alpha=Ic/Ie.
Priyankha said:
1 decade ago
Can anyone explain me the common base, common collector, and common emitter configuration please?
Ketan raje said:
1 decade ago
In common base configuration the amplification factor is represented by 'Alpha'.
Alpha = output current/input current.
Alpha = Ic/Ie.
Alpha = output current/input current.
Alpha = Ic/Ie.
Ravi said:
1 decade ago
Common base means base as ground, emitter as input, collector as output any voltage or current amplification is output quantity/input quantity.
J Ramya said:
10 years ago
Since the total emitter current does nt reach collector because of recombination's in base. So collector current is less than emitter hence the ratio is less than 1.
Dicy Devasia said:
6 years ago
β = Ic/Ib.
α = Ic/Ie.
γ =Ie/Ib.
Ic = Collector current,
Ib = Base current,
Ie = Emitter current.
α = Ic/Ie.
γ =Ie/Ib.
Ic = Collector current,
Ib = Base current,
Ie = Emitter current.
(1)
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