Questions for Digital lighting goes organic
By Science News for Students , 18:35 PM June 5, 2014
1. A 13-watt compact fluorescent light bulb provides the same amount of light as a traditional 60-watt incandescent light bulb. How much less energy does a compact fluorescent bulb use, expressed as a percentage?
2. Turn on a lamp fitted with a traditional incandescent light bulb. Hold your hand over the bulb. (Be very careful not to touch the actual bulb.) What do you feel? Does that suggest that kind of bulb is efficient or wasteful?
1. Detail so...
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