推荐回答（5个）
电的单位换算：
公式:P=UΙ； W（Q）=Pt=UΙt
1瓦（1W）=1焦/秒(1J/s)=1伏·安(1V·A)
1度= 1kW·h=3.6·10⁶ J
（电器功率为1千瓦工作一小时，消耗1度电）
1度=1000W·h=1000·V·A·h=10⁶ V·mA·h
（手机锂离子电池3.7V电压5000mAh容量可视为18500V·mA·h或18.5V·A·h，换算后即0.0185度）
符号含义：
Q（热量）此处指电热:单位为焦耳（J）
W（能量表示符号）电能:单位为焦耳（J）
Ι（电流）:单位为安培（A）1A=1000mA
t（时间）:1小时（h）=60×60秒(s)
U（电压）:单位为伏特（V）
P（用电器功率）:单位为瓦特（W）1KW=1000W
mW（毫瓦），W（瓦）,kW（千瓦）,MW（兆瓦）,GW（吉瓦）,TW（太瓦），马力
1TW=10³GW=10⁶MW=10⁹kW=10¹²W
1马力=745.7W
扩展资料：
电功率单位：电流在单位时间内做的功叫做电功率。是用来表示消耗电能的快慢的物理量，用P表示，它的国际单位：瓦特（w），简称瓦，符号是W。常用单位有千瓦(kW）等。
公式：
一个用电器的功率大小是指这个用电器在1秒内所消耗的电能，其计算式为P=W/T。
用电器正常工作时的电压叫做额定电压，在额定电压下工作的功率叫做额定功率。
电功率P与电流I、电压U之间的关系是：P=UI. U=P/I. I=P/U
1千瓦时是功率为1千瓦的用电器在1小时内所消耗的电能。
其他公式为：
P=U^2/R
P=U*I*动力因素
1A=10^3毫安(mA)；
1mA=10^3微安(uA)；
1uA=10^3纳安(nA)；
安全称安培，是国际单位制中表示电流的基本单位，简称安。符号A。为纪念法国物理学家A.安培而命名。1908年在伦敦举行的国际电学大会上，定义1秒时间间隔内从硝酸银溶液中能电解出1.118,00毫克银的恒定电流为1安培，又称国际安培。1946年，国际计量委员会（CIPM）提出定义为：在真空中，截面积可忽略的两根相距1米的平行而无限长的圆直导线内，通以等量恒定电流，导线间相互作用力在1米长度上为2×10－7牛时，则每根导线中的电流为1安培，又称绝对安培。该定义经1948年第9届国际计量大会（CGPM）通过沿用至今。
指电量、电流、电压、电阻、电功、电功率还是什么？
电量的单位是库伦
电流的单位是安培
电压的单位是伏特
电阻的单位是欧姆
1伏特=1欧姆*安培
电功的单位是度
1度=1千瓦时
电功率单位是瓦特
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