Transferring Electrical Energy Worksheet Page 22
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46Q15.
(a)
The diagram shows the energy transformations produced by a TV.
(i)
Use the information in the diagram and the equation in the box to calculate the
efficiency of the TV.
efficiency =
Show clearly how you work out your answer.
...........................................................................................................................
...........................................................................................................................
Efficiency = ..............................
(2)
(ii)
What eventually happens to the useful energy transferred by the TV?
...........................................................................................................................
...........................................................................................................................
(1)
Page 22 of 46
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