Circuits and Power 0.0 / 5 ? PhysicsElectricityGCSEAQA Created by: nina IlhanCreated on: 02-01-19 17:38 Series Circuit There is the same current through each component. The total potential difference of the power supply is shared between the components. The total resistance of two components is the sum of the resistanccve of each component. 1 of 4 Series Circuit This is because the current has to travel through each component in turn. Adding resistors in series increases the total resistance in ohms: R (total) = R (1) + R (2) 2 of 4 Parallel Circuits The potential difference across each component is the same. The total current drwan from the power supply is the sum of the currents through the seperate components. Adding resistors in parallel reduces the total resistance. 3 of 4 Parallel Circuits The total resistance of two resistors is less than the resistance of the smallest individual resistor. This is because, in parallel, there are more paths for the current to take - it can take one or the other allowing it to flow more easily. 4 of 4

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