天气预报 > 其他 > 物理楞次定律增反减同怎么回事
物理楞次定律增反减同怎么回事
更新时间: 2020-09-22 00:00:00  

楞次定律应用:

1、假定外磁场使回路的磁通量增加,则回路中感应电流产生磁场的方向要阻碍回路中磁通量的增加,此时感应电流产生磁场的方向与外磁场方向相反;

2、假定外磁场使回路的磁通量减少,则回路中感应电流产生磁场的方向要阻碍回路中磁通量的减少,此时感应电流产生磁场的方向与外磁场方向相同。

关键词: 物理 定律 怎么 回事

物理楞次定律增反减同怎么回事相关经验

天气预报

最新推荐

页面:/news/view-122340/ | 耗时:0.2147 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=122340 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=122340 LIMIT 0,1
select * from tbl_Articles_sphinx where id=122340 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1499493,1091908,1062076,1065087,1371967,1095305,1080299,1080233,1112919,1116085,1092319,1113514,1080545,1043021,1093284,1101527,1069247,1069473,1090993,1131869,1126126,1080301,1067939,1113391,1112252,1066014,1097907,1093485,1097723,1484894) ORDER BY field (ArticleID,1499493,1091908,1062076,1065087,1371967,1095305,1080299,1080233,1112919,1116085,1092319,1113514,1080545,1043021,1093284,1101527,1069247,1069473,1090993,1131869,1126126,1080301,1067939,1113391,1112252,1066014,1097907,1093485,1097723,1484894)