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Explain the principle, construction & working of a LED.
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written 3.9 years ago by
teamques10
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Principle:
- In silicon and germanium the recombination energy is absorbed by the crystak as heat but in certain other semiconductors, for instance gallium arsenids, a photon is emitted when recombination occurs. This is the basis of the light-emitting diode (LED).
Construction of LED:
- One of the popular methods of …
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