Semiconducting Devices Question 93
Question: If a = 0.98 and current through emitter ie = 20 mA, the value of b is
[DPMT 2002]
Options:
A) 4.9
B) 49
C) 96
D) 9.6
Show Answer
Answer:
Correct Answer: B
Solution:
$ \beta =\frac{\alpha }{1-\alpha }=\frac{0.98}{1-0.98} $ =49.