Question

Which of the following relations is correct for transistor ?

• A. $\beta =\frac{\alpha }{1+\alpha }$
• B. $\alpha =\frac{\beta }{1-\beta }$
• C. $\alpha =\frac{1+\beta }{\beta }$
• D. $\beta =\frac{\alpha }{1-\alpha }$

Answer 1

Answer: (D)

The relation between $\alpha$ and $\beta$ is given by
$\beta =\frac{\alpha }{1-\alpha }$ or $\alpha =\frac{\beta }{1+\beta }$