Over the course of an hour, a 60-watt light bulb consumes 216 kJ of energy from the power company. It provides 54 kJ of visible light, and wastes 162 kJ of energy. What is the efficiency of this light bulb?
Answers
Answered by
1
Answer:
25%
Explanation:
efficiency = 54/ 216 =0.25 ×100% =25%
Answered by
0
Answer:
hey buddy !
efficiency =Energy released
Energy consumed
=54
216
=1/4 =0.25
=25%
hope it helps..
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