{"batchcomplete":"","continue":{"lecontinue":"20250501163719|4925","continue":"-||"},"query":{"logevents":[{"logid":4935,"ns":0,"title":"Tri\u00e1ngulo de resistencias","pageid":3054,"logpage":3054,"revid":5092,"params":{},"type":"create","action":"create","user":"Antonio","timestamp":"2025-05-08T18:20:30Z","comment":"P\u00e1gina creada con \u00ab==Enunciado== Determine la resistencia equivalente entre los puntos A y B del circuito de tres resistencias de la figura.   <center>[[Archivo:Tres-resistencias.png]]</center>  ==Soluci\u00f3n== En este sistema la corriente se reparte por dos caminos en paralelo: el resistor que conecta directamente A y B y el camino formado por los dos resistores superiores que a su vez est\u00e1n en serie.  La resistencia equivalente a los dos de arriba este  <center><math>R_{12} = R_1+R_2=1\u2026\u00bb"},{"logid":4934,"ns":0,"title":"Densidad de corriente radial","pageid":3053,"logpage":3053,"revid":5089,"params":{},"type":"create","action":"create","user":"Antonio","timestamp":"2025-05-08T15:51:02Z","comment":"P\u00e1gina creada con \u00ab==Enunciado== En una determinada regi\u00f3n del espacio alrededor del origen de coordenadas existe una densidad de corriente dependiente de la distancia al origen como  <center><math>\\vec{J}(r) = A r (b-r)\\vec{u}_r</math></center>  con ''A'' y ''b'' dos constantes positivas, ''r'' la distancia al origen de coordenadas y <math>\\vec{u}_r</math> el vector unitario radial hacia afuera. # \u00bfCu\u00e1nto vale la derivada respecto al tiempo de la carga contenida en una esfera de rad\u2026\u00bb"},{"logid":4933,"ns":6,"title":"Archivo:Tres-bombillas.png","pageid":2678,"logpage":2678,"revid":5081,"params":{"img_sha1":"lb5b7hbzjiow56cnwt1sj3tzom2hidk","img_timestamp":"2025-05-03T07:58:22Z"},"type":"upload","action":"overwrite","user":"Antonio","timestamp":"2025-05-03T07:58:22Z","comment":""},{"logid":4932,"ns":6,"title":"Archivo:Circuito-5-resistores-eq.png","pageid":3052,"logpage":3052,"revid":5080,"params":{},"type":"create","action":"create","user":"Antonio","timestamp":"2025-05-01T17:40:43Z","comment":""},{"logid":4931,"ns":6,"title":"Archivo:Circuito-5-resistores-eq.png","pageid":3052,"logpage":3052,"revid":5080,"params":{"img_sha1":"hufwb35ad3p77cdzt5wbre60z79hrfa","img_timestamp":"2025-05-01T17:40:43Z"},"type":"upload","action":"upload","user":"Antonio","timestamp":"2025-05-01T17:40:43Z","comment":""},{"logid":4930,"ns":6,"title":"Archivo:Circuito-3R-estrella.png","pageid":3051,"logpage":3051,"revid":5069,"params":{},"type":"create","action":"create","user":"Antonio","timestamp":"2025-05-01T17:29:32Z","comment":""},{"logid":4929,"ns":6,"title":"Archivo:Circuito-3R-estrella.png","pageid":3051,"logpage":3051,"revid":5069,"params":{"img_sha1":"jqfwtvi5ssgdzarruktrk4dbgla5a0g","img_timestamp":"2025-05-01T17:29:32Z"},"type":"upload","action":"upload","user":"Antonio","timestamp":"2025-05-01T17:29:32Z","comment":""},{"logid":4928,"ns":6,"title":"Archivo:Circuito-3R-delta.png","pageid":3050,"logpage":3050,"revid":5068,"params":{},"type":"create","action":"create","user":"Antonio","timestamp":"2025-05-01T17:29:15Z","comment":""},{"logid":4927,"ns":6,"title":"Archivo:Circuito-3R-delta.png","pageid":3050,"logpage":3050,"revid":5068,"params":{"img_sha1":"giq0bqkzp2f66zp9dv4tjt8bgvuhn1q","img_timestamp":"2025-05-01T17:29:15Z"},"type":"upload","action":"upload","user":"Antonio","timestamp":"2025-05-01T17:29:15Z","comment":""},{"logid":4926,"ns":6,"title":"Archivo:Circuito-dos-transitorios.png","pageid":3049,"logpage":3049,"revid":5065,"params":{},"type":"create","action":"create","user":"Antonio","timestamp":"2025-05-01T16:37:19Z","comment":""}]}}