Why is tungsten used in the manufacture of electric bulbs?

It is cheaper than other metals

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It is both durable and economical

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It has high melting-point

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It makes the bulb light brighter

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Solution

The correct option is C It has high melting-point
The filament of the electric bulb glows at about $2500^{0} C$ while tungsten has a very high melting point which is about $3000^{0} C$ so tungsten is used in the electric bulbs.

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Similar questions

Tungsten metal is used for making the filaments of electrical bulbs because:

Tungsten is used almost exclusively for filament of incandescent lamps because tungsten has a high melting point ( $3380^{\circ}$ C) and becomes incandescent (i.e., emits light at a high temperature) at 2400 K.

State true or false.
Tungsten is used almost exclusively for filament of incandescent lamps because tungsten has a high melting point ( $3380^{\circ}$ C) and becomes incandescent (i.e., emits light at a high temperature) at $2400 K$ .

Q. Why is tungsten used for making filaments in an electric bulb?

Explain why, tungsten is used for making the filaments of electric bulbs.

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Why is tungsten used in the manufacture of electric bulbs?

The correct option is C It has high melting-pointThe filament of the electric bulb glows at about 25000C while tungsten has a very high melting point which is about 30000C so tungsten is used in the electric bulbs.

The correct option is C It has high melting-point
The filament of the electric bulb glows at about $2500^{0} C$ while tungsten has a very high melting point which is about $3000^{0} C$ so tungsten is used in the electric bulbs.