If the temperature of a tungsten filament is raised from

Question:

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

Solution:

Leave a comment

Close
faculty

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now