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

  • question_answer
    The thermionic emission of electron is due to  [UPSEAT 2000]

    A)            Electromagnetic field       

    B)            Electrostatic field

    C)            High temperature              

    D)            Photoelectric effect

    Correct Answer: C

    Solution :


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