Semiconducting Devices Question 281

Question: If the amplification factor of a triode (m) is 22 and its plate resistance is 6600 ohm, then the mutual conductance of this valve is mho is

[MP PMT 1989]

Options:

A) $ \frac{1}{300} $

B) $ 25\times {{10}^{-2}} $

C) $ 2.5\times {{10}^{-2}} $

D) $ 0.25\times {{10}^{-2}} $

Show Answer

Answer:

Correct Answer: A

Solution:

$ \mu =r _{p}\times g _{m}\Rightarrow g _{m}=\frac{\mu }{r _{p}}=\frac{22}{6600}=\frac{1}{300}.$



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