Home PYQs UPPSC UPPSC MCQs Prelims 2015 (GS Paper I)

Question

Which of the following is a semi-conductor?

  1. Plastic
  2. Aluminium
  3. Wood
  4. Germanium

Answer:

Option D: Germanium

Detailed Solution:

The correct answer is “Germanium”.

Germanium is a metalloid that has semiconductor properties and is used in electronic devices.