Physics: Year 9 Term 1: Energy & Power 0.0 / 5 ? PhysicsEnergyGCSEAQA Created by: Charlotte HerondaleCreated on: 22-10-17 13:53 What is power? (1) The rate of transfer of energy 1 of 5 What is the equation for the power of an appliance? (1) Power (W) = Input energy (J) / time taken for energy transfer (s) 2 of 5 What is the useful power output of an appliance? (1) The useful energy transfer/second 3 of 5 What is the total input power of an appliance? (1) The energy/second supplied to it 4 of 5 Power is equal to what? Input 5 of 5
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