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ARIASJOHN_PORTAFOLIO

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R= ∫∗ l s<br />

100Ω = 0.017 ∗ 2000m<br />

5<br />

100Ω = 3.4<br />

5<br />

S = 34<br />

100<br />

S = 0.34mm²<br />

= ( 100V)²<br />

100V<br />

= 10.000<br />

100<br />

D = ⎷ 4∗0.34<br />

3.14<br />

= 100Ω D = 0.65mm<br />

El coeficiente de resistividad es de 0.02Ωy su longitud es de 50nts calcule su sesión si la<br />

resistencia es de 10Ω.<br />

∫ = 0.02Ω ∗ mm²<br />

m<br />

R= ∫∗ l s<br />

D = ⎷ 4.5<br />

π<br />

L = 50m<br />

S= ∫∗ l s<br />

D = ⎷ 4(0.10)<br />

3.1416<br />

R = 10Ω<br />

S =?<br />

S= 0.02Ω mm2<br />

m<br />

∗ 50m<br />

10Ω<br />

= S = 0.10mm D = ⎷<br />

0.4<br />

3.1416<br />

D = 0.356mm<br />

Si la densidad de corriente eléctrica de un conductor es de 3.5A/mm² con una intensidad<br />

de corriente de 14ª ¿Calcule la sección?<br />

Datos<br />

∫ = 3.5A/mm²<br />

∫ = l s<br />

I = 14A<br />

S = l ʃ<br />

S =? S=<br />

14A<br />

3.5A/mm²<br />

= S = 4mm²

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