4
QuizMultiple Choice

Electricity Use in Homes and Businesses

Question 4 • NJ-Physics

Compact fluorescent lightbulbs (CFLs) cost more than incandescent lightbulbs and have lower wattages than incandescent bulbs.

Answer
A
CFLs use the same amount of energy as incandescent lights, but they last much longer and do not need to be replaced as often.
B
CFLs use more energy as a result of the lower wattages, but electric companies charge less for energy used in CFLs.
C
CFLs will cost less to run in the long term because they use less energy than the incandescent bulbs as a result of the lower wattage.
D
CFLs will cost less to run in the long term because they are brighter and would need to be on for fewer hours.
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