Sketch constructional diagram of LED and state its three applications.

Sketch constructional diagram of LED and state its three applications.
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1 Answer

Answer :

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Applications of LED:

.Infra-red LEDs are used in burglar alarm systems.

· For solid state video displays which are rapidly replacing CRT.

· An image sensing circuit for picture phones.

· In array of different types for displaying alpha-numeric characters.

· Displays.

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