Physics, 04.02.2020 13:52 akatsionis25
Efficiency is the ratio of output work to input work, expressed as a percentage. light bulbs put out less light energy than the amount of electrical energy that is put into the bulb. the goal of the bulb is to produce light. what is the efficiency of this bulb as it works to put out light? 10% 80% 90% 100%
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