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Electricity Use in Homes and Businesses Answers

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Consider two lightbulbs that exhibit 1600 lumens.

Answers:
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
107390

0.04233✔ 2489

A
0.042
B
33
C
✔ 24
D
89

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