Current gain and voltage gain Ai - Pac dI iB Current gain -AI- is defined as the ratio of the output current to the input current of the transistor- For CE amplifier in forward active region- A- - Bac - dic - ic Voltage gain -Ay- is defined as the ratio of the output voltage to the input voltage of the transistor- For CE amplifier in forward active region- -Bac RL Ay - where r - RB - ri and Vip ri- input resistance of transistor-

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Toppr Admin · Accepted Answer

a, Current gain	e. $\frac{Δ I_{c}}{Δ I_{b}}$
b. Voltage gain	f. $\frac{Δ I_{c} R_{L}}{Δ I_{b} R_{i}}$
c. Power gain	g. $(\frac{Δ I_{c}}{Δ I_{b}})^{2} \frac{R_{L}}{R_{i}}$
d. Resistance gain	h. $\frac{R_{L}}{R_{i}}$