Q. The filament of electric bulb is made up of :
✅ Correct Answer: (D)
Tungsten
Explanation: The filament of an electric bulb is made of tungsten because it has some amazing properties including the highest melting point (3422oC), lowest vapor pressure, and greatest tensile strength out of all the metals.
Explanation by: Team MCQ Buddy
The filament of an electric bulb is made of tungsten because it has some amazing properties including the highest melting point (3422oC), lowest vapor pressure, and greatest tensile strength out of all the metals.