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S2 Electricity

What is electric current? The flow of electrons through a circuit
What is an electrical insulator? A material which does not let electric current flow through it
Give an example of an insulator? wood, glass or plastic
What do we call the parts of an electric circuit? Components
What do we call a circuit when all the components are joined in one loop? Series
What do we call a circuit when the components are joined with more than one loop? Parallel
What is the difference between a series and parallel circuit? A series circuit has only one pathway for electrical current but a parallel circuit has more than one pathway.
What component has a diagram of a cross in a circle? a lamp.
What are two advantages of a parallel circuit? 1. If one component stops working, the others continue to stay on. 2. When more bulbs are added they do not get dimmer as they each recieve the voltage from the battery
When bulbs are added to a series circuit, what happens to their brightness? It decreases.
What is the difference between the diagrams of a cell and a battery? A cell is a big line then little line, a battery is a cell diagram repeated.
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