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10-09-2022
Physics

Answered

3 a Draw a Sankey diagram for the following situation. An electric kettle is
used to heat some water. 350 kJ of energy are used to heat the water,
10 kJ raise the temperature of the kettle and 40 kJ escape to heat the
surroundings.
efficency
everly out put
energy output
b Calculate the efficiency of the kettle.

Answer :

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