Download the app

Questions  

In the study of transistor as an amplifier, if α = Ic/Ie and β = Ic/Ie,  where  lc, lb and le are the  collector, base and emitter currents, then

a
β=1-αα
b
β=α1-α
c
β=α1+α
d
β=1+αα

detailed solution

Correct option is B

As we know iE=iC+iB⇒ieic=1+ibic⇒1α=1+1β⇒β=α1-α

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


Similar Questions

In the circuit shown, the base current is 30 µA. The value of R1 is (Neglect VBE)


phone icon
whats app icon