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
[MP PET 1992]
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C
If the temperature of filament is doubled, then the thermionic current will nearly be four times
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