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Práctica
Ley de Ohm
Objetivo:
Base Teórica:
Material:
1 potenciometro.
Cables de conexiones.
Montaje:
A
R
V
Procedimiento:
Datos:
I (mA)
0,5
1
1,49
2,01
2,58
3
3,47
4,01
V (V)
0,25
0,47
0,7
0,93
1,21
1,38
1,64
1,89
I (mA)
4,52
5,07
5,54
6,05
6,47
6,98
7,51
7,99
V (V)
2,12
2,4
2,61
2,82
3,01
3,27
3,51
3,73
Cálculos:
Para calcular el valor de la resistencia usaré la calculadora, que calculará el pendiente de la recta de regresión en la que figurarán los valores obtenidos de "I" como variable independiente y los valores de "V" como variable dependiente. Esto lo hago porque si R = V/I, V= R·I y "R" es un valor constante.
R=Pendiente = 0, 467 V/ mA = 467 !
Conclusiones: El resultado de la práctica es satisfactorio.
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Enviado por: Aleix Idioma: castellanoPaís: España