Multiple choice

State the reason for using tungsten in the electric bulbs.

  1. It has high melting point

  2. It is economical

  3. It is durable

  4. It makes the bulb light brighter

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Tungsten is used for the filaments in incandescent light bulbs because it has an extremely high melting point, allowing it to glow white-hot without melting.