A.220V,0.2s
B.110V,0.2s
C.220V,0.02s
D.110V,0.02s
科目:高中物理 來源: 題型:013
我們日常生活中照明用的交變電流的電壓和周期是( )
A.220V,0.2s
B.110V,0.2s
C.220V,0.02s
D.110V,0.02s
查看答案和解析>>
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區(qū) | 電信詐騙舉報專區(qū) | 涉歷史虛無主義有害信息舉報專區(qū) | 涉企侵權舉報專區(qū)
違法和不良信息舉報電話:027-86699610 舉報郵箱:58377363@163.com