(b)
The diagram shows the energy transformations produced by a TV.
(1)
Which are...
(b)
The diagram shows the energy transformations produced by a TV.
(1)
Which are the useful energy outputs?
(1)
(ii)
Use the information in the diagram to calculate the efficiency of the TV.
Write down the equation you use, and then show clearly how you work out
your answer.
iii) what eventually happenes to the useful energy transferred by the tv?
Answers: 1
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