1.choose the most accurate defention of LEDs LEDs are “solid-state” plasma mater
ID: 2080157 • Letter: 1
Question
1.choose the most accurate defention of LEDs
LEDs are “solid-state” plasma materials similar to those in computer chips. produce illumination by allowing electrons to flow across a semiconductor junction and gains higher energy state, releasing the difference as light. generate relatively little heat, last 100 times longer than an incandescent lightbulb, and convert about 25% to 35% of electrical energy to light, as opposed to about 5% in a conventional incandescent bulb. require bulky sockets or fixtures and embedded directly into ceilings or walls.
Explanation / Answer
The most accurate definition of LEDs
A Light Emitting Diode-LED is a semiconductor device that emits visible light when an electric current passes through it. It produces illumination by allowing electrons to flow across a semiconductor junction and gaining higher energy state, releasing the difference of energy as light.
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