Sawaal
61
Q:

The filament of an electric bulb is made of

A) tungsten B) nichrome
C) graphite D) iron

Answer:   A) tungsten



Explanation:

A filament is a metal wire that glows when electricity is channeled into it. The filament of an electric bulb is made of Tunsten. 

 

The_filament_of_an_electric_bulb_is_made_of1554113110.jpg image

 

Because of its high melting point and its greatest tensile strength, it makes for a good filament in light bulbs.

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