Mathematics, 26.10.2020 17:00 mikkilynnpeace1982
A kettle has an input of 1000J electrical energy. 100J of energy is transferred as sound and 50J of energy is transferred as light energy. 100J is transferred to the surroundings as thermal energy. The remaining energy is transferred to the water as thermal energy. What is the efficiency of the kettle?
Answers: 1
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