Business Key words 0.0 / 5 ? PhysicsEnergyGCSEEdexcel Created by: SynysterGatesCreated on: 27-01-16 18:55 Formula for energy transfer Power = energy/time or Energy = power x time or Time = energy/power 1 of 6 What is power measured in? Watts (W) 2 of 6 What is energy measured in? Joules (J) 3 of 6 Formula for electrical power Power = current x voltage 4 of 6 What is dissipated energy? Energy that is wasted and spreads out into the surroundings. 5 of 6 Formula for cost of electricity Cost = no. o 6 of 6
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