Physics · Semiconductor Devices
Which of the following statements is INCORRECT regarding a Light Emitting Diode (LED)?
- 1It emits light when forward biased.
- 2Light emission is due to the recombination of electrons and holes.
- 3An LED using GaAs material emits infrared radiation.
- 4The p-type material is placed uppermost so that holes can fall down easily to combine with electrons.✓
Correct answer
The p-type material is placed uppermost so that holes can fall down easily to combine with electrons.
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