What is the difference between a CFL and an LED lamp? 1) To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi-conductor material. 2) The average life span of a CFL is much longer than that of an LED lamp. 3) A CFL is less energy-efficient as compared to an LED lamp. Which of the statements given above is/are correct?

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CollectorBabu · Accepted Answer

Correct Answer: 1 and 3 only. CFL’s use 25-35% less energy than traditional light bulbs, or incandescent bulbs, use. This is good, but not great. LED’s, on the other hand, use 75% less of the energy than incandescent bulbs use. This means that LED bulbs are incredibly energy efficient. Additionally, CFL bulbs release almost 80% of their energy as heat, while LED bulbs emit very little to no energy as heat, which increases their efficiency even more.

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