MCQ
Which one is correct relation for thermionic emission
- A$J = A{T^{1/2}}{e^{ - \varphi /kT}}$
- ✓$J = A{T^2}{e^{ - \varphi /kT}}$
- C$J = A{T^{3/2}}{e^{ - \varphi /kT}}$
- D$J = A{T^2}{e^{ - \varphi /2kT}}$
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