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conductores ohmicos o no ohmicos

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  • Essay length: 668 words
  • Submitted: 15/04/2009
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International Baccalaureate Physics

The first 200 words of this essay...

Práctico Nº5 de Física.

Corriente eléctrica - Conductores óhmicos o no óhmicos.

Introducción.

El físico alemán George Ohm (1787-1854), descubrió que , donde I es la intensidad de corriente en amperios, V es el voltaje en voltios y R es la resistencia en ohmios.

Ohm clasifico a los conductores en:

* Conductores óhmicos.

Los conductores óhmicos tienen resistencia constante (independiente de la diferencia de potencial a que se lo conecta o la intensidad que circula por él.)

* Conductores no óhmicos

Objetivo.

Determinar si el resistor (A), el diodo (B) y la lámpara (C) son conductores óhmicos, en caso que lo sean determinar su resistencia.

Materiales.

Materiales A.

Materiales B.

Materiales C.

Fuente

Fuente

Fuente

Reóstato

Reóstato

Reóstato

Resistor

Diodo

Lámpara

Cables conductores

Cables conductores

Cables conductores

Amperímetro

Interfase

Amperímetro

Voltímetro

Computadora

Voltímetro

Procedimiento para A, B y C.

1. Armar el circuito.

2. Prender la fuente.

3. Anotar datos obtenidos.

Obtención y procesamiento de datos

Parte A.

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