Thermionic emission from a heated filament varies with its temperature – McqOptions

MCQOPTIONS

1.	Thermionic emission from a heated filament varies with its temperature T as [CBSE PMT 1990; RPMT 2000; CPMT 2002]
A.	\[{{T}^{-1}}\]
B.	\[T\]
C.	\[{{T}^{2}}\]
D.	\[{{T}^{3/2}}\]
Answer» D. \[{{T}^{3/2}}\]

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