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Electronics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
MCQ
Which one is correct relation for thermionic emission
 
  • A
    $J=A T^{1 / 2} e^{-\emptyset / k T}$
  • ✓
    $J = AT ^2 e ^{-\varnothing / kT }$
  • C
    $J=A T^{3 / 2} e^{-\emptyset / k T}$
  • D
    $J=A T^2 e^{-\emptyset / 2 k T}$
✓

Answer

Correct option: B.
$J = AT ^2 e ^{-\varnothing / kT }$
(b) $J = AT ^2 e ^{-\varnothing / kT }$

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