In a diode valve the saturation current at 750 K is 100 mA. What is the saturation current at 800 K ? Work function of metal is 1.6 eV.

In a diode valve the space-charge limited current at 100 V is 100 mA. What is the space-charge current at 150 V ?

In a p-n junction diode the reverse saturation current is 10 muA . What will be the forward current for a voltager of 0.2 V ?

In diode, when there is saturation current, the plate resistance (r_(p)) is

What Is saturation current in photoelectric effect ?

For intensity I of a light of wavelength 5000 Å the photoelectron saturation current is 0.40 mu A and stopping potential is 1.36 V , the work function of metal is

The saturation current from a thoriated-tungsten cathode at 2000 K is 100 mA . What will be the saturation current for a pure-tungsten cathode of the same surface area operating at the same temperature? The constant A in the Richardson-Dushman equation is 60 xx 10^4 A m^(-2) K^(-2) for pure tungsten and 3.0 xx 10^(4) A m^(-2) K^(-2) for thoriated tungsten. The work function of pure tungsten is 4.5 eV and that of thoriated tungsten is 2.6 eV .

If the temperature of a tungsten filament is raised from 2000 K to 2010 K , by what factor does the emission current change? Work function of tungsten is 4.5 eV .

In a p-n junction diode the reverse saturation current is 10^(-5)A at 27^(@)C . Find the forward current for a voltage of 0.2 V . Given exp. (7.62)=2038.6,k=1.4xx10^(-23)JK^(-1) .

In PN -junction diode the reverse saturation curren is 10^(-5) amp at 27^(@)C . The forward current for a voltage of 0.2 volt is

The saturation current in a triode valve can be changed by changing