ExamVeda
Login
Home

Tungsten is used for the manufacture of the filament of an...

This question belongs to General Knowledge Physics
Physics
?

Tungsten is used for the manufacture of the filament of an electric bulb, because

Answer & Solution
Correct Answer: Option D
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).
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on Physics

Which of the following terms is not used in the field of physics?
A. Latent heat B. Nuclear fusion C. Refractive index D. Stock value
Radiocarbon is produced in the atmosphere as a result of
A. Collision between fast neutrons and nitrogen nuclei present in the atmosphere. B. Action of ultraviolet light from the sun on atmospheric oxygen. C. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere. D. Lightning discharge in atmosphere.
It is easier to roll a stone up a sloping road than to lift it vertical upwards because
A. Work done in rolling is more than in lifting. B. Work done in lifting the stone is equal to rolling it. C. Work done in both is same but the rate of doing work is less in rolling. D. Work done in rolling a stone is less than in lifting it.
The absorption of ink by blotting paper involves:
A. Viscosity of ink B. Capillary action phenomenon C. Diffusion of ink through the blotting D. Siphon action
More Related Questions on Physics