WBCS.LIVE practice question

When an incandescent electric bulb glows:

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

Answer options

  1. The electric energy is completely converted into light
  2. The electric energy is partly converted into light energy and partly into heat energy
  3. The light energy is converted into electric energy
  4. The electric energy is converted into magnetic energy

Correct answer and explanation

Correct answer: The electric energy is partly converted into light energy and partly into heat energy