Multiple choice general knowledge science & technology

Which is a semiconductor?

  1. Aluminium

  2. Germanium

  3. Boron

  4. Cadmium
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Germanium is a semiconductor material, meaning it has electrical conductivity between a conductor and insulator. Germanium and silicon are the two most common elemental semiconductors used in electronic devices. Aluminium is a conductor, while boron and cadmium are not semiconductor materials.

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