GRAFICOS DEL MONTAJE Y CALCULOS

GRAFICOS DEL MONTAJE Y CALCULOS

Montaje total

MONTAJE 1

Material conductor: Cromoníquel

Diámetro: 4*10-4 m

Valor teórico (resistividad): 1.1*10-6 (Ωm)

Longitud L (m) Voltaje V (v) Corriente I (A) Resistencia R (Ω)

0.1 0.1128 0.1219 1.1

0.2 0.2128 0.1202 2

0.3 0.3140 0.1194 2.8

0.4 0.411 0.1185 3.8

0.5 0.519 0.1172 4.3

0.6 0.611 0.1158 5.3

0.7 0.698 0.1149 6

0.8 0.765 0.1141 6.9

0.9 0.876 0.1129 8

MONTAJE 2

Material conductor: Constantan

Diámetro: 2.5*10-4 m

Valor teórico (Resistividad): 4.9*10-7 (Ωm)

Longitud L (m) Voltaje V (v) Corriente I (A) Resistencia R (Ω)

0.1 0.1361 0.1223 1.7

0.2 0.2565 0.1206 2.7

0.3 0.375 0.1192 3.6

0.4 0.492 0.1176 4.3

0.5 0.603 0.1160 5.3

0.6 0.701 0.1145 6.4

0.7 0.818 0.1132 7.8

0.8 0.921 0.1119 8.6

0.9 1.026 0.1106 9.6

PREGUNTAS Y RESPUESTAS / ANALISIS DE RESULTADOS

Llene la tabla, encontrando los valores de R, L/A y ρ

Cromoníquel

Longitud L (m) Voltaje V (v) Corriente I (A) Resistencia R (Ω) Relación L/A ( m/m2) Resistividad

Ρ (Ωm)

0.1 0.1128 0.1219 1.1 1.592*〖10〗^2 6.911*〖10〗^(-3)

0.2 0.2128 0.1202 2 3.183*〖10〗^2 6.283*〖10〗^(-3)

0.3 0.3140 0.1194 2.8 4.775*〖10〗^2 5.864*〖10〗^(-3)

0.4 0.411 0.1185 3.8 6.366*〖10〗^2 5.969*〖10〗^(-3)

0.5 0.519 0.1172 4.3 7.958*〖10〗^2 5.403*〖10〗^(-3)

0.6 0.611 0.1158 5.3 9.550*〖10〗^2 5.550*〖10〗^(-3)

0.7 0.698 0.1149 6 11.14*〖10〗^2 5.385*〖10〗^(-3)

0.8 0.765 0.1141 6.9 12.73*〖10〗^2 5.419*〖10〗^(-3)

0.9 0.876 0.1129 8 14.32*〖10〗^2 5.585*〖10〗^(-3)

Diámetro: 4*10-4 m

Área: πr^2

Área: π * (2*10-4 [m])2

Área: 6.283*10-4 [m2]

Relación L/A (m/m2)

(0.1 m)/(6.283*〖10〗^(-4) m^2 )=1.592*〖10〗^2 m/(m^2 ) (0.2 m)/(6.283*〖10〗^(-4) m^2 )=3.183*〖10〗^2 m/(m^2 )

(0.3 m)/(6.283*〖10〗^(-4) m^2 )=4.775*〖10〗^2 m/(m^2 ) 0.4m/(6.283*〖10〗^(-4) m^2 )=6.366*〖10〗^2 m/(m^2 )

(0.5 m)/(6.283*〖10〗^(-4) m^2 )=7.958*〖10〗^2 m/(m^2 ) (0.6 m)/(6.283*〖10〗^(-4) m^2 )=9.550*〖10〗^2 m/(m^2 )

(0.7 m)/(6.283*〖10〗^(-4) m^2 )=1.114*〖10〗^3 m/(m^2 ) (0.8 m)/(6.283*〖10〗^(-4) m^2 )=1.273*〖10〗^3 m/(m^2 )

(0.9 m)/(6.283*〖10〗^(-4) m^2 )=1.432*〖10〗^3 m/(m^2 )

Resistividad ƿ (Ωm)

Ƿ= (R*A)/L [Ωm]

ƿ=((1.1 Ω) (6.283*〖10〗^(-4) m^2))/(0.1 m)= 6.911*〖10〗^(-3) [Ωm]

ƿ=((2 Ω) (6.283*〖10〗^(-4) m^2))/(0.2 m)= 6.283*〖10〗^(-3) [Ωm]

ƿ=((2.8 Ω) (6.283*〖10〗^(-4) m^2))/(0.3 m)=5.864*〖10〗^(-3) [Ωm]

ƿ=((3.8 Ω) (6.283*〖10〗^(-4) m^2))/(0.4 m)=5.969*〖10〗^(-3) [Ωm]

ƿ=((4.3 Ω) (6.283*〖10〗^(-4) m^2))/(0.5 m)=5.403*〖10〗^(-3) [Ωm]

ƿ=((5.3 Ω) (6.283*〖10〗^(-4) m^2))/(0.6 m)=5.550*〖10〗^(-3) [Ωm]

ƿ=((6 Ω) (6.283*〖10〗^(-4) m^2))/(0.7 m)= 5.385*〖10〗^(-3) [Ωm]

ƿ=((6.9 Ω) (6.283*〖10〗^(-4) m^2))/(0.8 m)=5.419*〖10〗^(-3) [Ωm]

ƿ=((8 Ω) (6.283*〖10〗^(-4) m^2))/(0.9 m)= 5.585*〖10〗^(-3) [Ωm]

Constantan

Longitud L (m) Voltaje V (v) Corriente I (A) Resistencia R (Ω) Relación L/A

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