AnswersNJ-PhysicsElectricity Use in Homes and BusinessesQuestion 10
10
QuizMultiple Choice

Electricity Use in Homes and Businesses

Question 10 • NJ-Physics

An incandescent bulb produces 520 lumens and has an efficacy of 13 lm/W.

Answer
A
2.5 W
B
40 W
C
503 W
D
533 W
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