题型:多选题 给平行析电容器充电,断开电源后A极板带正电,B极板带负电.板间一带电小球C用绝缘细线悬挂,如图所示.小球静止时与竖直方向的夹角为θ,则( )A.若将B极板向右平移稍许,电容器的电容将减小B.若将B极板向下平移稍许,A、B两板间电势差将增大C.若将B板向上平移稍许,夹角θ将不变D.轻轻将细线剪,小球将做斜抛运动 查看答案
题型:选择题 If you _______ a high fever and a bad headache, you are advised to consult a doctor.A.performB.developC.present D.gather 查看答案