which of these uses less electrical energy - electric bulb or LED?

It is LED,Because LED has very low power consumption than electric bulb.

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LED (Light Emitting Diodes)

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it is the LED.

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 it's LED for sure becauses its name itself is light emmiting diode ande and most probably used in conserving electricity...

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Obviously it's led

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What a question man It definitely LED

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LED

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What are you looking for?