RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    In a triode valve, grid is used to control the plate current, because:

    A)  grid has negative voltage

    B)  grid has no voltage

    C)  grid is nearer to cathode than plate

    D)  none of these

    Correct Answer: A

    Solution :

    In a triode valve, grid is given less positive or negative voltage.  But generally, to control the plate current, grid is given negative voltage.


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