• 2021-04-14 问题

    在下图中,所有二极管均为理想二极管,则Vo=( )Vhttp://edu-image.nosdn.127.net/AA544C78EE930028A6EBDC2DC3E7320F.PNG?imageView&thumbnail=890x0&quality=100

    在下图中,所有二极管均为理想二极管,则Vo=( )Vhttp://edu-image.nosdn.127.net/AA544C78EE930028A6EBDC2DC3E7320F.PNG?imageView&thumbnail=890x0&quality=100

  • 2021-04-14 问题

    电路如图所示,二极管VD1、VD2用恒压降模型,正向导通电压均为0.7V,假如输入端uA=3V,uB=3V,求uy=( )Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/93f5f1948b744e62bcab7e46dddb0421.png

    电路如图所示,二极管VD1、VD2用恒压降模型,正向导通电压均为0.7V,假如输入端uA=3V,uB=3V,求uy=( )Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/93f5f1948b744e62bcab7e46dddb0421.png

  • 2021-04-14 问题

    电路如图所示,二极管VD1、VD2用恒压降模型,正向导通电压均为0.7V,假如输入端uA=3V,uB=0V,求uy=()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/ca19168d0a6f42979826ec9c74c58ff9.png

    电路如图所示,二极管VD1、VD2用恒压降模型,正向导通电压均为0.7V,假如输入端uA=3V,uB=0V,求uy=()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/ca19168d0a6f42979826ec9c74c58ff9.png

  • 2021-04-14 问题

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R1开路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R1开路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

  • 2021-04-14 问题

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R2短路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R2短路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

  • 2021-04-14 问题

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R1短路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R1短路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

  • 2021-04-14 问题

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R2开路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

    如图,已知集成运放为理想运放,最大输出电压幅值为±14V,设vi=1V,若R2开路,则vo变为()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/b64e61206eb04ce5a93343e42c68b3ae.png

  • 2021-04-14 问题

    电路如图所示,二极管采用硅管,电阻R=1kΩ,E=3V,硅管的正向导通电压可取0.7V,用恒压降模型求UR的值等于( )Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d8cb0c017ec04941ac1373b28131bf74.png

    电路如图所示,二极管采用硅管,电阻R=1kΩ,E=3V,硅管的正向导通电压可取0.7V,用恒压降模型求UR的值等于( )Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201812/d8cb0c017ec04941ac1373b28131bf74.png

  • 2021-04-14 问题

    ZHCS-B7-1*如图所示,一根长为L=0.5m的金属细杆ab绕竖直轴O1O2以角速度03c9=100rad/s 在水平面内旋转.O1O2在离细杆a 端L /5 处.若已知地磁场在竖直方向的分量为B=0.02T.则ab两端间的电势差()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/fd28ea0b7fad4573a7418b5203d4d9da.png

    ZHCS-B7-1*如图所示,一根长为L=0.5m的金属细杆ab绕竖直轴O1O2以角速度03c9=100rad/s 在水平面内旋转.O1O2在离细杆a 端L /5 处.若已知地磁场在竖直方向的分量为B=0.02T.则ab两端间的电势差()Vhttp://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/fd28ea0b7fad4573a7418b5203d4d9da.png

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