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17. A 60W incandescent light bulb is 5% efficient. A 60W fluorescent bulb is 15% efficient. How much more light will the florescent light bulb give off than the incandescent light bulb, in the same period of time?

2007-08-14 18:21:42 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Physics

2 answers

The incandescent gives off 0.05*60 or 3W of light. The fluorescent gives off 0.15*16 = 9W of light. Therefore the fluorescent gives of 3X as much light as the incandescent, which is 400% more

2007-08-14 18:48:32 · answer #1 · answered by gp4rts 7 · 0⤊ 0⤋

DUUHH

10%

2007-08-15 01:28:14 · answer #2 · answered by Anonymous · 0⤊ 0⤋