Qstnid -I-5-would You Prefer A Material With A High Work-function Or A Low Work-function To Be Used As A Cathode In A Diode? - 41: Electric Current Through Gases - Neet-xii-physics

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NEET-XII-Physics

41: Electric Current through Gases

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Qstn# i-5 Prvs-Qstn Next-Qstn

#5
Would you prefer a material with a high work-function or a low work-function to be used as a cathode in a diode?
Ans : 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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