Question

The value of current gain $\alpha$ of a transistor is $0.98$. The value of $\beta$ will be

• A. 490
• B. $4.9$
• C. 59 .
• D. 49

Answer 1

Answer: (D)

$\beta =\frac{\alpha }{1-\alpha }$
Given, $\alpha =0.98$, hence we have
$\beta =\frac{0.98}{1-0.98}=49$