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

  • question_answer
    In a triode valve                                                          [MP PET 1992]

    A)            If the grid voltage is zero then plate current will be zero

    B)            If the temperature of filament is doubled, then the thermionic current will also be doubled

    C)            If the temperature of filament is doubled, then the thermionic current will nearly be four times

    D)            At a definite grid voltage the plate current varies with plate voltage according to Ohm?s law

    Correct Answer: C

    Solution :


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