Semiconductor Electronics Materials Devices And Simple Circuits Ques 87
87. For a common emitter circuit if $\frac{I_C}{I_E}=0.98$ then current gain for common emitter circuit will be
[2001]
(a) $49$
(b) $98$
(c) $4.9$
(d) $25.5$
Show Answer
Answer:
Correct Answer: 87.(a)
Solution:
- (a) We have,
$ \beta=\frac{\alpha}{1-\alpha}=\frac{0.98}{1-0.98}=\frac{0.98}{0.02}=49 $
BETA
