For the plate voltage, the plate current in a triode valve is maximum when the potential of :

The gird is positive and plate is negative

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The grid is zero and plate is positive

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The grid is negative and plate is positive

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The grid is positive and plate is positive

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Solution

The correct option is D The grid is positive and plate is positive
When grid is given potential more electrons will cross the grid to reach the positive plate $p$ . Hence current increases.

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Similar questions

Q. The plate current in a triode value is maximum when the potential of the grid is
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Q. The plate resistance of a triode is 8 kΩ and the transconductance is 2.5 millimho. (a) If the plate voltage is increased by 48 V and the grid voltage is kept constant, what will be the increase in the plate current? (b) With plate voltage kept constant at this increased value, by how much should the grid voltage be decreased in order to bring the plate current back to its initial value?

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For the plate voltage, the plate current in a triode valve is maximum when the potential of :

The correct option is D The grid is positive and plate is positiveWhen grid is given potential more electrons will cross the grid to reach the positive plate p. Hence current increases.

The correct option is D The grid is positive and plate is positive
When grid is given potential more electrons will cross the grid to reach the positive plate $p$ . Hence current increases.