Question: For a common emitter configuration, if $\alpha$ and $\beta$ have their usual meanings, the incorrect relationship between $\alpha$ and $\beta$ is
$\alpha=\frac{\beta^{2}}{1+\beta^{2}}$
$\frac{1}{\alpha}=\frac{1}{\beta}+1$
$\alpha=\frac{\beta}{1-\beta}$
$\alpha=\frac{\beta}{1+\beta}$
Correct Option: , 4
Solution:
