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Physics, 18.10.2021 23:20 20alyssityh224

R:v/i - 120 y 0.2A = 600 2 b- La resistividad eléctrica del cobre es de 1,71.10 0.m. Halla la resistencia de un hilo de cobre de 0,5m de longitud y 0,75cm² de área de sección transversal. c- Por un conductor de resistencia eléctrica 1000, circula cierta cantidad de corriente. Si la diferencia de potencial es de 10 V. Halla la intensidad de la corriente eléctrica originada. d- Determina la longitud alambre circular de cobre que posee una resistencia de 0.172 ohm y un diámetro de 11.2 mm. e- Se desea conocer el material del cual está compuesto un determinado conductor y para ello se recurre a la electricidad. Se toman 0,5m del mismo, con una sección transversal de 4.10-4m² y se comprueba que su resistencia eléctrica es de 0,9miliohm. ¿De qué material se trata? f- Un hilo de aluminio de 1,5m de longitud tiene una resistencia de 100. Utilizando la resistividad proporcionada por el cuadro, halla el área de la sección transversal que deberá tener el hilo. g- En el siguiente gráfico de un circuito, ¿qué valor tiene la corriente que circula por el mismo? R=100~\Omega V=230 V

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R:v/i - 120 y 0.2A = 600 2 b- La resistividad eléctrica del cobre es de 1,71.10 0.m. Halla la resist...
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