Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Would You Prefer a Material with a High Work-function Or a Low Work-function to Be Used as a Cathode in a Diode? - Physics

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Question

Would you prefer a material with a high work-function or a low work-function to be used as a cathode in a diode?

Solution

We will prefer a material with low work-function to be used as a cathode in a diode, so that electron emission can occur using a small amount of energy.

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Solution Would You Prefer a Material with a High Work-function Or a Low Work-function to Be Used as a Cathode in a Diode? Concept: Electron Emission.
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