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electrical charges,electrical conductor,electrical insulators,electrical forces,electrical fields

christina blust

on 27 April 2010

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Transcript of Electricity

Electrical charges
Electrical conductors sec.1 Electrical insulators Electrical forces Electrical fields sec.2 Electrical potential energy Potential difference Cell Current resistance sec.3 Electrical circuts Schematic diagram Series Electrical energy Fuse Circut breaker An electrical property of matter that creates electric and magnetic forces and interactions a mayerial in which charges can move freely and can carry an electric current a material that dose not transfer current easily the force of attraction or repulsion between objects due to charge a region in space around a charged object that causes a stationary charged object to experiance an electric force the ability to move an electric charge from one point to another between any 2 points the work that must be done against electric forces to move a unit charge from one point to another the opposition posed by a material or a device,to the flow of current a device that is a source of electric current because of a potential difference or voltage between the terminals the rate of flow of an electrical charge a circuit thet allows a current to flow through every component in the circuit a network with a closed loop giving the return path for the current a diagram that represents the elements of a system using abstract symbols rather than pictures energy created to power electronical items such as lamps,tvs and refrigorators an automatic swich used to protect a circuit from voltage overload. a type of sacrafitial overcurrent protection device used in electic devices.EX:christmas lights The end
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