COMPUTER HARDWARE
OUTPUT DEVICES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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LED stands for Light Emitting Diodes
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True
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False
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron holes, releasing energy in the form of photons.
Detailed explanation-2: -LED stands for Light Emitting Diode.
Detailed explanation-3: -Explanation: LED emits light when it is forward biased. As forward current increases intensity of light emitted by LED also increases. When LED is reverse biased it emits no light.
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