Chemistry, 01.11.2019 02:31 alexussaniyah
For similar light intensity, compact fluorescent bulbs use about 25% of the energy of incandescent bulbs. let's say you replaced a bulb of 40 w with a fluorescent bulb and that your utility charges $0.15/kw-hour. how many dollars would you save in electricity in the 10,000−hour lifetime of the bulb?
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