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Thermionic emission from a heated filament varies with its temperature T as

Option: 1

T^{-1}


Option: 2

TT


Option: 3

T^{2}


Option: 4

T^{3 / 2}


Answers (1)

best_answer

According to Richardson-Dushman equation, number of thermions emitted per sec per unit area \mathrm{J=A T^2 e^{-W_0 / k T} \Rightarrow J \propto T^2}

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SANGALDEEP SINGH

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