domingo, 13 de febrero de 2011

APUNTES: 2.3.Transformación de la energía electrica en energía térmica

ENERGÍA:  Es la capacidad de un cuerpo para realizar un trabajo.

La energía se mide en joules.

LEY DE LA CONSERVACIÓN DE LA ENERGÍA:
"La energía no se crea ni se destruye, sólo se transforma."
TIPOS DE ENERGÍA
1) Energía lumínica
2) Energía química
3) Energía cinética
4) Energía potencial
5) Energía calórica
6) Energía nuclear
7) Energía eólica
8) Energía eléctrica
http://www.rena.edu.ve/SegundaEtapa/tecnologia/tiposdeenergia.html

Conductores eléctricos:
Son todos aquellos materiales que son capaces de dejar pasar a través de sí un flujo de electrones.

Resistencias:
Resistencia electrica es la oposición al paso de electrones por un conductor.

Fusible:
Es una resistencia eléctrica pequeña diseñada para fundirse cuando la intensidad de la corriente que llega al sistema es mayor de la que puede soportar.



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