R1=R3=4Ω,R2=8Ω当变阻器R3的滑动端滑到A端时,v表的读数为15v,当滑动端滑到B端时,A表的读数为4A,那么电源的电动势多大?内电阻多大?/Users/maheyao/Desktop/241f95cac24208a8c91768dc.jpg.bmp.jpeg
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 06:24:09
![R1=R3=4Ω,R2=8Ω当变阻器R3的滑动端滑到A端时,v表的读数为15v,当滑动端滑到B端时,A表的读数为4A,那么电源的电动势多大?内电阻多大?/Users/maheyao/Desktop/241f95cac24208a8c91768dc.jpg.bmp.jpeg](/uploads/image/z/13167889-25-9.jpg?t=R1%3DR3%3D4%CE%A9%2CR2%3D8%CE%A9%E5%BD%93%E5%8F%98%E9%98%BB%E5%99%A8R3%E7%9A%84%E6%BB%91%E5%8A%A8%E7%AB%AF%E6%BB%91%E5%88%B0A%E7%AB%AF%E6%97%B6%2Cv%E8%A1%A8%E7%9A%84%E8%AF%BB%E6%95%B0%E4%B8%BA15v%2C%E5%BD%93%E6%BB%91%E5%8A%A8%E7%AB%AF%E6%BB%91%E5%88%B0B%E7%AB%AF%E6%97%B6%2CA%E8%A1%A8%E7%9A%84%E8%AF%BB%E6%95%B0%E4%B8%BA4A%2C%E9%82%A3%E4%B9%88%E7%94%B5%E6%BA%90%E7%9A%84%E7%94%B5%E5%8A%A8%E5%8A%BF%E5%A4%9A%E5%A4%A7%3F%E5%86%85%E7%94%B5%E9%98%BB%E5%A4%9A%E5%A4%A7%3F%2FUsers%2Fmaheyao%2FDesktop%2F241f95cac24208a8c91768dc.jpg.bmp.jpeg)
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