Electricity
Key Terms
Static Electricity
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Build your own Circuits
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Circuit
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Notes
Charging and Static Electricity
In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. The two types of charge are equal and opposite. In an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus. Electricity is the phenomenon associated with the flow of electric charge. Static electricity is often created when two objects that are not good electrical conductors are rubbed together, and electrons from one of the objects rub off onto the other. This happens, for example, when combing one's hair or taking off a sweater. So, it is just electric charge that has accumulated on an object. An electric circuit is a path which electrons from a voltage or current source flow.Electric current flows in a closed path called an electric circuit. The point where those electrons enter an electrical circuit is called the "source" of electrons.
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Series & Parallel Circuits
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