To make tea tom boiled some water in a kettle the kettle


To make tea Tom boiled some water in a kettle. The kettle used 320 000 J of energy. It took 80 000 J to boil the water to make his tea.
The rest of the energy was wasted. Calculate the efficiency of this method of making a cup of tea.

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Physics: To make tea tom boiled some water in a kettle the kettle
Reference No:- TGS01079100

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