如图所示，自耦变压器输入端A、B接交流稳压电源，其电压有效值UAB

如图所示，自耦变压器输入端A、B接交流稳压电源，其电压有效值UAB＝100V，R0＝40Ω，当滑动片处于线圈中点位置时，C、D两端电压的有效值UCD为___________V，通过电阻R0的电流有效值为_____________A。

答案

200，5，

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如图所示，自耦变压器输入端A、B接交流稳压电源，其电压有效值UAB

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