AnswersTX-Physics BElectricity Use in Homes and BusinessesQuestion 107394
107394
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Electricity Use in Homes and Businesses

Question 107394 • TX-Physics B

Consider two lightbulbs that exhibit 1600 lumens.

Answer
The efficacy of a 100 W incandescent lightbulb is lm/W.:

16

What is the power of a CFL lightbulb if its efficacy is 67 lm/W? W.:

24

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