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Question

Consider the figure and answer the following question.
Is silver plate here anode or cathode?

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Solution

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Silver plate acts as cathode.

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Q1

Consider the figure and answer the following question.
Is silver plate here anode or cathode?

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Q2

A graph of vacuum diode current $${I}_{p}$$, is plotted against the anode voltage $${V}_{p}$$ for two different temperatures $${T}_{1}$$ and $${T}_{2}$$ of the cathode, as shown in the figure below. Study the graph and answer the following questions.
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Q5

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