一台理想变压器原、副线圈匝数比n1: n2=10: 1。原线圈与正弦交变电

一台理想变压器原、副线圈匝数比n1: n2=10: 1。原线圈与正弦交变电源连接,输入电压u如图所示。副线圈仅接入一个10 Ω的电阻,下列说法正确的是

A.原线圈的输入电压与副线圈的输出电压之比为1:10

B.原线圈的输入电流与副线圈的输出电流之比为1:10

C.该交流电的周期为2s

D.流过电阻的电流是2.2 A

答案

BD

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