Multiple choice general knowledge science & technology

The wire of the electric bulb is known as

  1. Heating element

  2. Radiator

  3. Luminous wire

  4. Filament
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The wire inside an electric bulb that glows when current passes through it is called the filament. It's typically made of tungsten due to its high melting point. 'Heating element' (A) is for devices like heaters. 'Radiator' (B) and 'Luminous wire' (C) are not the technical terms.

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