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Valve Electroni...

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  • Question 1
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    Before the saturation state of a diode at the plate voltage of 400 V and 200 V respectively the currents are i1​ and i2​ respectively. The ratio i1​/i2​ will be

  • Question 2
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    The value of plate current in the given circuit diagram will be

  • Question 3
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    Costing of strontium oxide on Tungsten cathode in a value is good for thermionic emission because

  • Question 4
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    Following is the relation between current and voltage I=AT2eqt/VL then value of V will be

  • Question 5
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    Which one is correct relation for thermionic emission

  • Question 6
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    When plate voltage in diode valve is increased from 100V to 150V. Then, plate increases from 7.5 mA to 12 mA, then dynamic plate resistance will be

  • Question 7
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    In a diode value, the state of saturation can be obtained easily by

  • Question 8
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    Plate resistance of two triode value is 2 kΩ and 4 kΩ amplification factor each of the values is 40.The ratio of voltage amplification, when used with 4 kΩ load resistance, will be

  • Question 9
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    Diode is used as a/an

  • Question 10
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    Which of the following does not vary with plate or grid voltages

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