如何计算用电器的功率 就是多少瓦?我想知道怎么计算的
By wanny chow (pupil) on 2010-01-08 Answers 5 Views 398
By wushukhan on 2010-05-04
P=IxE
功率=電壓x電流
1000w=200x5A
By wushukhan (graduate) on 2010-08-28
如果想知電器是否慳電..................睇能源標簽就知,1級最慳電
By wushukhan (graduate) on 2010-05-01
睇佢既功率係幾多W........
By wing cheng (graduate) on 2010-02-10
看看能源標籤，應該有寫電器的輸出功率的~~~
By alex yu (pupil) on 2010-01-15
功率就是電器每秒鐘輸出的能量，不同的電器有不同的功率。
