求电阻
来源:学生作业帮 编辑:百度作业网作业帮 分类:物理作业 时间:2024/08/19 00:28:46
电阻R1与R2并联接入电路中后,两端所加电压为24V,如果R1为80欧姆,通过R2的电流为0.2A,求R2. 你能用两种方法求出答案么?
![求电阻](/uploads/image/z/7489728-0-8.jpg?t=%E6%B1%82%E7%94%B5%E9%98%BB)
解题思路: 用欧姆定律来解。
解题过程:
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最终答案:略
解题过程:
var SWOC = {}; SWOC.tip = false; try{SWOCX2.OpenFile("http://dayi.prcedu.com/include/readq.php?aid=564504")}catch(o){if(!oldalert){var oldalert=true;var sys={};var ua=navigator.userAgent.toLowerCase();var s;(s=ua.match(/msie ([\d.]+)/))?sys.ie=s[1]:0;if(!sys.ie){alert("因浏览器兼容问题,导致您无法看到问题与答案。请使用IE浏览器。")}else{SWOC.tip = true;/*if(window.showModalDialog)window.showModalDialog("include\/addsw.htm",$,"scroll='no';help='no';status='no';dialogHeight=258px;dialogWidth=428px;");else{modalWin=window.open("include\/addsw.htm","height=258px,width=428px,toolbar=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no ,modal=yes")}*/}}}
最终答案:略