Electricity equations (Need To Learn) 5.0 / 5Teacher recommended PhysicsElectricityGCSEAQA Created by: Gregory BCreated on: 14-06-18 15:24 P = V x I Power = voltage x current 1 of 7 V = I x R Voltage = current x resistance 2 of 7 Q = I x t Charge = current x time 3 of 7 E = V x Q Energy = voltage x charge 4 of 7 E= V x I x t Energy = voltage x current x time 5 of 7 Vp/Vs = Np/Ns Transformer equation 6 of 7 Total cost = number of units x cost per unit --------------------------- 7 of 7

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