Question

Why is tungsten used as a filament in a bulb?​

Answer 1

Tungsten is used as a filament in a bulb. Because it has high melting point and very high resistivity so it does not burn easily at room temperature.

Answer 2

$\large \mathcal \blue {Question : }$

Why is tungsten used as a filament in a bulb ?

$\large \mathcal \blue{Answer : }$

Tungsten metal is used exclusively for making the filament of electric bulbs because it has a very high melting point.

Due to its high melting point, the tungsten filament can be kept white hot without melting away.

Other reasons for using tungsten are –

• It is highly flexible
• It has a low rate of evaporation at high temperature.