Find the relation between $\alpha$ and $\beta$ of BJT.
Explanation
This relation is derived from the current gain of the transistor. The current gain of the transistor is given by $\beta = \frac{I_C}{I_B}$ and the power gain is given by $\alpha = \frac{P_C}{P_B}$. Using the relation between $\beta$ and $\alpha$, we can derive the relation $\alpha = \frac{\beta}{\beta + 1}$.
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