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Question

LED is an abbreviation for:

A
Lightning Emergency Drum
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B
Laser Emitting Disc
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C
Light Emitting Diode
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D
Laser Emitting Display
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Solution

The correct option is C Light Emitting Diode
LED stands for Light Emitting Diode. Compared to an electric bulb, it requires less current for it to glow. It is used in a tester to check the conductivity of the liquid.

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