Question

The device used to prevent from overload
A) 2
B) 1
C) 3
D) 4
5
The Filament in the bulb is made up of​

Answer 1

Ans: The filament of a bulb is made up of a metal known as Tungsten .

Answer 2

tungsten is used for making filament of an electric bulb due to following reasons:

• being an alloy it has a very high melting point.
• it has very high resistivity so it does not burn easily at room temparture .