Multiple choice general knowledge science & technology

A solar cell is made up of ______.

  1. silicon

  2. titanium

  3. magnesium

  4. teflon
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Solar cells (photovoltaic cells) are typically made from silicon, a semiconductor material. When photons from sunlight strike silicon atoms, they dislodge electrons, creating an electric current. Silicon's semiconductor properties make it ideal for converting light to electricity.

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