What is the input/useful output/ wasted output energy included in a phone? It doesn't have to be any specific brand, it can be any company! please help me...and if you can also tell how to find out the energy's that would be really helpful! I will mark someone brainiest plz help!!
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Answer:
useful output energy refers to the useful energy that is transferred by the device (eg thermal energy by a heater) input energy refers to the total energy supplied to a device.
Explanation:
Systems have an input energy and an output energy. ... The width of both the output energy arrows (useful and wasted) add up to ... for some of the appliances from the last activity, which are listed below.
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