天气预报15天查询> 其他> 怎样用万能表测出用电器的功率

怎样用万能表测出用电器的功率

更新时间: 2020-10-05 00:00:00     

用万能表测用电器功率的具体方法如下:

1、万能表调到电流10安档,串联在电源线上,读数记录。2、万用表调到电压250伏档,并联在电源线上,读数记录。3、将读出的电流数、电压数相乘,算出的积就是用电器的功率。

关键词: 怎样 万能 测出 电器 功率

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1607544/ | 耗时:0.9946 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1607544 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1607544 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1607544 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1086498,1049030,1100985,1100187,1070993,1108522,1071986,995175,1071661,1094015,1105502,1093865,1103700,1070796,1042114,1085062,1068830,1098673,1103556,1096473,1071131,1074867,1106793,1077112,1063329,1090941,1127475,1086232,1055373,1059338) ORDER BY field (ArticleID,1086498,1049030,1100985,1100187,1070993,1108522,1071986,995175,1071661,1094015,1105502,1093865,1103700,1070796,1042114,1085062,1068830,1098673,1103556,1096473,1071131,1074867,1106793,1077112,1063329,1090941,1127475,1086232,1055373,1059338)