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Question: Answered & Verified by Expert
In an amplifier the load resistance $R_L$ is equal to the plate resistance $\left(r_p\right)$. The voltage amplification is equal to
PhysicsSemiconductorsJEE Main
Options:
  • A $\mu$
  • B $2 \mu$
  • C $\mu / 2$
  • D $\mu / 4$
Solution:
1197 Upvotes Verified Answer
The correct answer is: $\mu / 2$
Voltage gain $A_v=\frac{\mu}{1+\frac{r_p}{R_L}}$, for $r_p=R_L \Rightarrow A_v=\frac{\mu}{2}$

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