Physics
State two characteristics of a good thermion emitter.
Radioactivity
ICSE 2017
5 Likes
Answer
The two characteristics of a good thermion emitter are :
- It's melting point must be high.
- It's work function must be low.
Answered By
3 Likes
Related Questions
An electric bulb of resistance 500 Ω, draws a current of 0.4 A. Calculate the power of the bulb and the potential difference at it's end.
State two causes of energy loss in a transformer.
State two factors upon which the rate of emission of thermions depends.
When does the nucleus of an atom tend to be radioactive?