JEE Main & Advanced Physics Semiconducting Devices Question Bank Valve Electronics (Diode and Triode)

  • question_answer
    Which one is correct relation for thermionic emission  [RPMT 2000]

    A)            \[J=A{{T}^{1/2}}{{e}^{-\varphi /kT}}\]                          

    B)            \[J=A{{T}^{2}}{{e}^{-\varphi /kT}}\]

    C)            \[J=A{{T}^{3/2}}{{e}^{-\varphi /kT}}\]                          

    D)            \[J=A{{T}^{2}}{{e}^{-\varphi /2kT}}\]

    Correct Answer: B

    Solution :


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