PHYSICS REVISION CHAPTER 5&6 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: HollylinesCreated on: 22-11-15 14:14 Ammeter Measures current whe it is placed in a series 1 of 13 Voltmeter Measures PD as it is placed parallel 2 of 13 Potential Difference A current related by an equation Ohms law 3 of 13 Equation for Potential Difference Current x Resistance 4 of 13 Resistance Measured In ohms, Ω 5 of 13 Direct Current Flows in one direction 6 of 13 Alternating Current Changes Direction 7 of 13 Power is Measured in Watts (W) 8 of 13 Current is Measured in Amps (A) 9 of 13 Pd is Measured in Volts (V) 10 of 13 Charge is Measured in Coulombs (C) 11 of 13 Equation for Power Power = Energy Transformed ÷ Time 12 of 13 Equation for Power (LINKED) Power = Current x Potential Difference 13 of 13
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