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公式:
电压 V = R × I (式1)文章源自公式库网-https://www.gongshiku.com/html/201910/diangonggongshuaigongshishuzhizaixianjisuanyijianshengchengjisuanqi.html
电压 V = P ÷ I (式2)
功率 P = V × I (式3)
电流 I = P ÷ V (式4)
功率 P = V2 ÷ R (式5)
(式5)例:某一加热器电阻为65Ω,供电为220V,求其功率
(220×220)÷65=744W
纯直流电阻电功率,电流,电压在线自动计算器
请输入任意两个值,第三个值将被计算出来。文章源自公式库网-https://www.gongshiku.com/html/201910/diangonggongshuaigongshishuzhizaixianjisuanyijianshengchengjisuanqi.html
文章源自公式库网-https://www.gongshiku.com/html/201910/diangonggongshuaigongshishuzhizaixianjisuanyijianshengchengjisuanqi.html 文章源自公式库网-https://www.gongshiku.com/html/201910/diangonggongshuaigongshishuzhizaixianjisuanyijianshengchengjisuanqi.html
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