Question 243: Semiconductors and Logic Gates

Question

The output characteristics of a transistor is shown in the figure.
When V
CE
is 10V and I
C
= 4.0 mA,
then value of $\beta $
ac
is __________.
![](https://imagex.cdn.examgoal.net/jgy2xukg0jxwwj/6decd6df-73fc-4531-9543-4fa53a64c899/46f3e230-093f-11eb-8293-3b6cc591631c/file-jgy2xukg0jxwwk-320w.png)

Accepted Answer

We know, $\beta $
ac
= ${{\Delta {I_C}} \over {\Delta {I_B}}}$
$\Delta $I
B
= (30 - 20) = 10 $\mu $A
$\Delta $I
C
= (4.5 - 3) = 1.5 mA
$ 	herefore $ $\beta $
ac
= ${{1.5 	imes {{10}^{ - 3}}} \over {10 	imes {{10}^{ - 6}}}}$ = 150

Semiconductors and Logic Gates

The output characteristics of a transistor is shown in the figure. When V CE is 10V and I C = 4.0 mA, then value of \beta ac is __________.

Integer / Numeric Answer Type