Four Different Compact Fluorescent Bulbs and Their Comparison to Incandescent

question 56

Multiple Choice

Four different compact fluorescent bulbs and their comparison to incandescent bulbs are advertised as follows: a 42-W cfl produces the light of a 150-W incandescent,a 9-W cfl produces the light of a 40-W incandescent,a 23-W cfl produces the light of a 100-W incandescent,and a 13-W cfl produces the light of a 60-W incandescent.Which cfl produces the most light per watt,and which one produces the least? Assume true advertising!

• A) the 13 W,the 42 W
• B) the 9 W,the 23 W
• C) the 23 W,the 42 W
• D) the 42 W,the 13 W

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Definitions:

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