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Physics, 20.10.2021 14:00 20calzoy

R:v/i - 120 y 0.2A = 600 2b- La resistividad eléctrica del cobre es de 1,71.10 0.m. Halla la resistencia de un hilode 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 eléctricaoriginada. d- Determina la longitud alambre circular de cobre que posee una resistencia de0.172 ohm y un diámetro de 11.2 mm. e- Se desea conocer el material del cual está compuesto un determinado conductor ypara ello se recurre a la electricidad. Se toman 0,5m del mismo, con una seccióntransversal de 4.10-4m² y se comprueba que su resistencia eléctrica es de0,9miliohm. ¿De qué material se trata?f- Un hilo de aluminio de 1,5m de longitud tiene una resistencia de 100. Utilizando laresistividad proporcionada por el cuadro, halla el área de la sección transversal quedeberá tener el hilo. g- En el siguiente gráfico de un circuito, ¿qué valor tiene la corriente que circula por elmismo?R=100~\OmegaV=230 V

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