请问直流电压1安是等于多少瓦呢???? 1伏电压等于多少安？
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功率的单位是瓦
电流的单位是安
电压的单位是伏
1瓦=1安*1伏
所以你要知道电压自己就可以算了
纹波噪声电压中没有高频成分,因此请缩短示波器测管的地线...1 连接内置了DC-DC变压器的负载(PLC、数字面板仪表等电子设备)和容量性负载时,启动时过电流保护可能启动,导致开关...使用100V外加电压后,虽然在外加后不久不会破损,但继续...
电流怎么能=瓦呢
瓦是功率单位
用P=UI=I平方R=U平方/R进行换算
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