Electronic Devices Question 222
Question: The amplification factor of a triode is 20. Its plate resistance is 10 kilo ohms. Mutual conductance is
[MNR 1992; Orissa JEE 2005]
Options:
A) $ 2\times 10^{5} $ mho
B) $ 2\times 10^{4} $ mho
C) 500 mho
D) $ 2\times {{10}^{-3}} $ mho
Show Answer
Answer:
Correct Answer: D
Solution:
Using $ \mu =r _{p}\times g _{m} $
$ \Rightarrow g _{m}=\frac{20}{10\times 10^{3}}=2\times {{10}^{-3}} $ .
