In CB configuration of transistor ac current gain is (Δ i C /Δ i E )=0.98, determine current gain of CE configuration :-

Question

In CB configuration of transistor ac current gain is (Δ i C /Δ i E )=0.98, determine current gain of CE configuration :- (A) 49 (B) 98 (C) 4.9 (D) 24.5

Tardigrade Admin · Accepted Answer

For CB , α=0.98 For CE, β=(α/1-α)=49

Q. In CB configuration of transistor ac current gain is $\frac{Δ i _{C}}{Δ i _{E}} = 0.98$ , determine current gain of $CE$ configuration :-

49

98

4.9

24.5

For $CB, α = 0.98$
For $CE, β = \frac{α}{1 - α} = 49$

Q. In CB configuration of transistor ac current gain is ΔiE​ΔiC​​=0.98, determine current gain of CE configuration :-

49

98

4.9

24.5

For CB,α=0.98 For CE,β=1−αα​=49

Q. In CB configuration of transistor ac current gain is $\frac{Δ i _{C}}{Δ i _{E}} = 0.98$ , determine current gain of $CE$ configuration :-

For $CB, α = 0.98$
For $CE, β = \frac{α}{1 - α} = 49$