电能可以转化成多种其他形式的能量。电能转化成多种其他形式能的过程也可以说是电流做功的过程，有多少电能发生了转化就说电流做了多少功，即电功是多少。 电流做功的多少跟电流的大小、电压的高低、通电时间长短都有关系。加在用电器上的电压越高、通过的电流越大、通电时间越长，电流做功越多。研究表明，当电路两端电压为U，电路中的电流为I，通电时间为t时，电功W（或者说消耗的电能）为：W=UIt。
网络释义专业释义
... 电干燥法 electrodesiccation 电功 electrical work 电光雷达 electrooptic(al) radar ...
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... (2)电场线从正电荷出发终止于负电荷;q 8:电功(J)： 注:阻力,E;T)2r 4：UAB＝φA-φB；0<也可以是m1v1+m2v2＝m1v1´，q;2) ...
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短语
省电功能设定 POWER MANAGEMENT SETUP ; SETUP ; Power Management
瞬时电功率 instantaneous electric power
耗电功率 Power Consumption ; Power ; kw ; Consumed Power
额定电功率 electrical rating ; rated power ; KW ; electric rating
光电功函数 [电子] photoelectric work function
净电功率输出 net electric power output
电功率额定值 power rating
电功率计 electrodynamic meter ; [电] electrodynamometer
电]功耗 electrical power consumption
双语例句原声例句
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异步电功机的磁通检测和观测是矢量控制系统中的关键问题。
The measurement and observation of flux in induction motor is a key problem in vector control system.
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其放电均匀稳定，可减小限流电阻值，降低外电路电功损耗。
Its stable and even discharge makes the ballast resistor smaller which reduces extra power consumption.
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经过热交换器冷却槽液，以除去由涂装电功及泵运行的机械功所产生的热量。
It provides paint cooling by circulation through the use of heat exchangers to remove heat generated by the electrical work of coating or that was created through the mechanical work of pumping.
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So expansion work, for instance, or compression work, is if you have a piston with a gas in it. All right, you put a pressure on this piston here, and you compress the gas down. This is compression work.
力乘以距离，就是功，功有许多种：,电可以做功,驱动电机与电风扇,磁力也可以做功。
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