what is CFL ? for class 7
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COMPACT FLUORESCENT - it a light bulb that has been compressed into size a standard issue incandescent light bulb modern typically last at least 6 times long & use as most a quarter of the power of an equivalent incandescent bulb...
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Compact fluorescent lamp(CFL) is a fluorescent light bulb that reduces wastage of electricity and can be fixed in the ordinary bulb holders. CFL uses 25-35% less energy than the incandescent bulbs.
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