In the circuit of a triode value, there is no change in the plate current, when the plate potential is increased from 200 V to 220 V and the grid potential is decreased from $- 0.5\ V\ to - 1.3\ V$. The amplification factor of the valve is

Question

Dr. Abubacker · Accepted Answer

(c) $\mu = \left( \frac{\mathrm{\Delta}V_{p}}{\mathrm{\Delta}V_{g}} \right)\mathrm{\Delta}I_{p}$ is constant
$= \frac{220 - 200}{- 0.5 - ( - 1.3)} = \frac{20}{0.8} = 25$

Q. In the circuit of a triode value, there is no change in the plate current, when the plate potential is increased from 200 V to 220 V and the grid potential is decreased from $- 0.5\ V\ to - 1.3\ V$. The amplification factor of the valve is

Explanation

Reviewed by Dr. Abubacker

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