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ARIASJOHN_PORTAFOLIO

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I = 27.5A<br />

E =?<br />

E = 293.42<br />

LEY D<br />

Resistencia => Resistividad => Es la resistencia específica de cada materia<br />

Dificultad con la que el corriente pasa<br />

R = E I Ω<br />

R = P. L S<br />

R = resistencia en Ω<br />

p = resistividad medidos<br />

L<br />

S<br />

=<br />

Longitud em m<br />

Seccion en mm²<br />

*Calcular la resistencia de un conductor de cobre de 900m y 1.5mm² de sección.<br />

L = 900m<br />

S = 1.5mm²<br />

R = p. L S<br />

R = 0.017 900m<br />

1.5mm²<br />

R = 10.20Ω<br />

*Calcule la resistencia de un aluminio de 1.5 Km con una sección de 2mm²<br />

S = 2mm²<br />

R = p. L S<br />

R = 0.027 (1500)<br />

2<br />

R = 20.25Ω

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