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Questions on Energy Transitions

Q13. The following diagrams represent the energy transfers that take place in a number of devices used in the home:

Which diagram best shows the energy changes taking place in:

i) an electric drill;

ii) an electric hot plate being used to boil a 1 litre pan of water;

iii) an electric kettle being used to boil 1 litre of water?

(3 marks)