The ratio of thermionic currents (I/I0) for a metal when the temperatu – McqOptions

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1.	The ratio of thermionic currents (I/I0) for a metal when the temperature is slowly increased \[{{T}_{0}}\] to \[T\] as shown in figure. (I and I0 are currents at T and respectively). Then which one is correct? [Orissa JEE 2002]
A.	A
B.	B
C.	C
D.	D
Answer» B. B

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