Efficiency 1.0 / 5 based on 1 rating ? PhysicsEfficiencyGCSEEdexcel Created by: Jazzy15Created on: 28-03-19 09:31 What does efficiency mean ? A way of describing how good a machine is at transferring energy into useful forms 1 of 5 The efficiency of a machine is given as a number between _ and _ 0 and 1 2 of 5 x x 3 of 5 x x 4 of 5 x x 5 of 5
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