下列數據中不符合實際情況的是                                         ...

問題詳情：

下列數據中不符合實際情況的是                                                                                                                     

              A．1度電可以使一盞100W的燈泡正常工作10h                                                                                                              

              B．由於技術革新汽油機的效率可達95%                                                                                                          

              C．我國家庭電路的電壓是220V                                                                                                        

              D．家用電扇正常工作時的電流約為0.25A，則它的額定功率為55W                                                                                                                    

【回答】

B

知識點：電功率

題型：選擇題