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Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsSemiconductor Electronic: Material, Devices And Simple Circuits1 Mark
MCQ
Which of the following cannot be used in electronic devices?
  • A
    Aluminium gallium arsenide
  • B
    Indium gallium arsenide
  • C
    Gallium arsenide
  • D
    Quasicrystals.
✓

Answer

  1. Quasicrystals.

Explanation:

Aluminum gallium arsenide, indium gallium arsenide, and gallium arsenide are used in Laser diodes, LEDs, whereas Quasicrystals have poor heat conductivity which makes them good insulators, so not used in electronic devices.

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