Topic 2 - Equations 0.0 / 5 ? PhysicsElectricityGCSEEdexcel Created by: Madison PhillipsCreated on: 02-10-15 19:41 Equation for Power Power = Current x Potential Difference (Voltage) 1 of 11 Equation for Energy Energy = Current x Potential Difference (Voltage) x time 2 of 11 Equation for Potential Difference (Voltage) Potential Difference (Voltage) = Current x Resistance 3 of 11 Equation for Current Current = Potential Difference (Voltage) ÷ Resistance 4 of 11 Equation for Resistance Resistance = Potential Difference ÷ Current 5 of 11 What is Power measured in? Power is measured in Watts (W). 6 of 11 What is Current measured in? Current is measured in Amps (A). 7 of 11 What is Voltage (Potential Difference) measured in? Voltage (Potential Difference) is measured in Volts (V). 8 of 11 What is Energy measured in? Energy is measured in Joules (J). 9 of 11 What is Time measured in? Time is measured in Seconds (s). 10 of 11 What is Resistance measured in? Resistance is measured in Ohms. 11 of 11
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