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  • In a triode amplifier, <img alt="\mathrm{\mu = 25, r_{p} = 40\ kilo\ ohm}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm%7B%5Cmu%20%3D%2025%2C%20r_%7Bp%7D%20%3D%2040%5C%20kilo%5C%2

In a triode amplifier, \mathrm{\mu = 25, r_{p} = 40\ kilo\ ohm} and load resistance \mathrm{RL = 10\ kilo\ ohm}. If the input signal voltage is \mathrm{0.5\ volt}, then output signal voltage will be

Option: 1

\mathrm{1.25\ volt}


Option: 2

\mathrm{5\ volt}


Option: 3

\mathrm{2.5\ volt}


Option: 4

\mathrm{10\ volt}


Answers (1)

best_answer

\mathrm{\begin{aligned} &\mathrm{ \text { Voltage gain }=\frac{V_{\text {out }}}{V_{\text {in }}}=\frac{\mu}{1+\frac{r p}{R_L}} \Rightarrow \frac{V_{\text {out }}}{0.05}=\frac{25}{1+\frac{40 \times 10^3}{10 \times 10^3}}} \\ &\mathrm{ \Rightarrow V_{\text {out }}=2.5 \mathrm{~V}} \end{aligned}}

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Deependra Verma

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