TBQ- Filament of the lamp — task. Science CBSE, Class 7 New.

PDF chapter test TRY NOW

Answer the question carefully by analysing the circuit diagram given below:

circuit diagram

Why is tungsten used as the filament material in bulbs?

It is a good insulator
It has a low melting point
It does not conduct electricity
It has a very high melting point and can glow without melting

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content