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Home/Questions/What are filaments of a bulb and a heater made up ...

What are filaments of a bulb and a heater made up of?

Class 7ScienceElectric Current and its Effects

Verified Answer

In a bulb there is a thin wire called the filament made up of tungsten. When current passes through it, it glows and gets heated up. In a heater there is a coil of wire called element which is made up of nichrome. When current passes through element it becomes red hot and give out heat