Circuit Diagrams 13.1 An electric circuit can be represented using a diagram. Each part of the circuit is represented with a symbol. By reading a circuit diagram, it is possible to determine how the circuit works and how to repair it when it does not function properly. circuit diagram

Series Circuits 13.1 In a series circuit, electrons flow through only one path. Loads are connected in a chain, one after another in one continuous loop. When one load does not work, the whole chain of loads stops working because electrons cannot flow. series circuit

Parallel Circuits 13.1 In a parallel circuit, electrons can flow through more than one path. Loads are connected in different branches that are connected to the energy source. When a load does not work in one branch, the loads in the other branches continue to function because electrons can flow through another path. parallel circuit