Discussion :: Physics
- Tungsten is used for the manufacture of the filament of an electric bulb, because
|
A.
It is a good conductor |
|
B.
It is economical |
|
C.
It is malleable |
|
D.
It has a very high melting point |
Whatsapp
Facebook
Answer : Option D
Explanation :
Tungsten is used in electric bulb because it has high melting point and it does not oxidize. Thus tungsten filament does not melt even when a large amount of heat is produced due to passage of current through the filament (via heating effect of current).
Be The First To Comment