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If a 75 W lightbulb is 15% efficient, how many joules of light energy does the bulb produce every minute?
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If a 75 W lightbulb is 15% efficient, how many joules of light energy does the bulb produce every minute?

User William Troup
by
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1 Answer

3 votes

Answer:

11.25J

Step-by-step explanation:

15=(output/75)x100

output =(75x15)/100=11.25J

User Amrith Raj Herle
by
3.1k points
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