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

  • question_answer
    The grid in a triode valve is used                          [UPSEAT 2000]

    A)            To increases the thermionic emission

    B)            To control the plate to cathode current

    C)            To reduce the inter-electrode capacity

    D)            To keep cathode at constant potential

    Correct Answer: B

    Solution :


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