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

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsSemiconductor Electronic: Material, Devices And Simple Circuits1 Mark
MCQ
A p-n junction diode cannot be used:
  • A
    As a rectifier.
  • B
    For converting light energy to electric energy.
  • C
    For getting light radiation.
  • D
    For increasing the amplitude of an AC signal
✓

Answer

  1. For increasing the amplitude of an AC signal

Explanation:

To increase the amplitude of an AC signal, transistors are used. p-n junction diodes can be used as rectifiers and in photo-diode and LED.

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