Why are fluorescent tubes and CFL better alternative to an electric bulb ?
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Dimmable CFLs are more expensive than standard CFLs due to the additional circuitry. Cold-cathodeCFLs can be dimmed to low levels, making them popular replacements for incandescent bulbs on dimmer circuits. When a CFL is dimmed, its color temperature (warmth) stays the same
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The big difference between CFLsand incandescent bulbs is how much energy it takes to use them over time. CFLs use about 70% less energy than incandescentbulbs. They also last years longerthan traditional bulbs, and only cost about a dollar more perbulb.
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