energy and efficieny 0.0 / 5 ? PhysicsEnergyGCSEAQA Created by: Bex24Created on: 18-02-14 11:26 energy can't be created or destroyed 1 of 7 where does wasted energy go into the surroundings 2 of 7 how can you show energy efficiency sankey diagram 3 of 7 what is the relationship between the arrow size and the energy in a sankey diagram the width of the arrows are proportional to the amount of energy they represent 4 of 7 efficiency equation (useful energy in / total energy in) X 100% 5 of 7 what is the equation relating power, time and energy E = P x T 6 of 7 How can electrical energy be easult transferred By heaters to heat teh surroundings, into light energy, into sound energy, into kinetic energy 7 of 7
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