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  • The amplification factor of a triode valve is . If the grid voltage is changed by <img alt="0.3" src="https://entrancecorner

The amplification factor of a triode valve is 15. If the grid voltage is changed by 0.3 volt the change in plate voltage in order to keep the plate current constant (in volt) is

Option: 1

0.02


Option: 2

0.002


Option: 3

4.5


Option: 4

5.0


Answers (1)

best_answer

\mathrm{\mu=\frac{\Delta V_p}{\Delta V_g} \Rightarrow \Delta V_p=\mu \Delta V_g=15 \times 0.3=4.5 \text { volt }}

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Rishabh

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