WBCS.LIVE practice question

The glowing filament of a standard incandescent electric bulb is typically made of which metal?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Copper
  2. Aluminum
  3. Tungsten
  4. Lead

Correct answer and explanation

Correct answer: Tungsten

Explanation: āœ… Correct Answer: C) Tungsten šŸ“š Explanation: Tungsten is uniquely utilized for making electric bulb filaments because it possesses an extraordinarily high melting point (around 3,422 Ā°C). When an electric current passes through it, it generates immense heat and glows brilliantly without melting or oxidizing rapidly in the argon-filled glass chamber.