Resumen De La Electricidad

Páginas: 4 (817 palabras) Publicado: 26 de junio de 2012
Electric field: is a region around a charged object where the object’s electric force is exerted on other charged objects
Static electricity: charges build up on an object, but they do not flowcontinuously.
Static: not moving or changing
Conservation of charge: of one object gives up electrons, another gain those electrons.
Methods of static electricity:
Friction: transfer of electrons fromone uncharged object to another by rubbing.
Conduction: the transfer of electrons from a charged object to another by direct contact.
Induction: is the movement of electrons to one part of theobject caused by the electric field of a second object.
Electroscope: can detect the electric charge.
Static discharge: the loss of static electricity as electric charges transfer from one object toanother.
Electric current: is the continuous flow of electric charges through a material. (Amp)
Electric circuit: is a complete, unbroken path through which electric charges can flow.
Conductor: is amaterial through which charge can flow easily.
Insulator: Material through which charges can’t flow easily.
Voltage: the unit of measure of voltage is the volt (V) this causes a current in acircuit.
Voltage source: is a device that creates a potential difference in an electric circuit.
Resistance: is the measure of how difficult it is for charges to flow through a material. The greater theresistance, the less current there is for a given voltage.
Chemical energy: is energy stored on chemical compounds.
Chemical reaction: is a process in which substances change into new substances withdifferent properties.
Electrochemical cell: is a device that transforms chemical energy into electrical energy this consist of two different metals called electrodes.
Electrolyte: is a substancethat conducts electric current.
Terminal: the part of an electrode above the surface of the electrolyte.
Battery: is a combination of two or more electrochemical cells in a series.
Wet cell: an...
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