Expressions for the voltage gain and power gain of a CE amplifier

1. A.
   $\beta\left(\dfrac{r_i}{R_L}\right), \beta^2\left(\dfrac{r_i}{R_L}\right)$
2. B.
   $\beta\left(\dfrac{R_L}{r_i}\right), \beta\left(\dfrac{R_L}{r_i}\right)^2$
3. C.
   $\beta\left(\dfrac{R_L}{r_i}\right), \beta^2\left(\dfrac{R_L}{r_i}\right)$
4. D.
   $\beta\left(\dfrac{r_i}{R_L}\right), \beta\left(\dfrac{r_i}{R_L}\right)^2$

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1. A.
   $\beta(R_L/r)$ and $\beta^2(R_L/r)$
2. B.
   $\beta(r/R_L)$ and $\beta^2(r/R_L)$
3. C.
   $\beta(R_L/r)$ and $\beta(R_L/r)^2$
4. D.
   $\beta(r/R_L)$ and $\beta(r/R_L)^2$

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