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Semiconductor D...

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  • Question 1
    4 / -1

    In the circuit of a triode valve, there is no change in the plate current, when the plate potential is increased from 200 volt to 220 volt and the grid potential is decreased from –0.5 volt to –1.3 volt. The amplification factor of this valve is

  • Question 2
    4 / -1

    If the amplification factor of a triode (µ) is 22 and its plate resistance is 6600 ohm, then the mutual conductance of this valve in mho is

  • Question 3
    4 / -1

    The correct relation for a triode is

  • Question 4
    4 / -1

    The triode constant is out of the following

  • Question 5
    4 / -1

    The unit of mutual conductance of a triode valve is

  • Question 6
    4 / -1

    With a change of load resistance of a triode, used as an amplifier, from 50 kilo ohms to 100 kilo ohms, its voltage amplification changes from 25 to 30. Plate resistance of the triode is

  • Question 7
    4 / -1

    The plate current in a vacuum diode depends on

  • Question 8
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    The introduction of a grid in a triode valve affects plate current by

  • Question 9
    4 / -1

    The value of plate current in the given circuit diagram will be

  • Question 10
    4 / -1

    Coating of strontium oxide on tungsten cathode in a valve is good for thermionic emission because

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