Question

an LED is more effective device than bulb why​

Answer 1

Explanation:

LEDs use much less energy than incandescent bulbs because diode light is much more efficient, power-wise, than filament light. LED bulbs use more than 75% less energy than incandescent lighting. ... Bright LED flood lamps use only 11 to 12 watts while creating a light output comparable to a 50-watt incandescent bulb.

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Answer 2

Answer:

The main reason that LEDs use so much less electricity than incandescent lighting is that they don't produce light in the same way. Most incandescent bulbs waste about 90% of the electricity they consume as heat because of this, making them incredibly inefficient light producers.

Explanation:

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