wen dao wu li ti平行板电容器两板相距D=100cm,电容C=10pF,带电量Q=3.5*10^(-10).上极板带正电,现在将一个试探电荷q=2.0*10^(-12)C由两极板间的A点移动到B点.AB间的距离S=8cm.AB与极板间的夹角a=30度求:1.
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wen dao wu li ti平行板电容器两板相距D=100cm,电容C=10pF,带电量Q=3.5*10^(-10).上极板带正电,现在将一个试探电荷q=2.0*10^(-12)C由两极板间的A点移动到B点.AB间的距离S=8cm.AB与极板间的夹角a=30度求:1.
wen dao wu li ti
平行板电容器两板相距D=100cm,电容C=10pF,带电量Q=3.5*10^(-10).上极板带正电,现在将一个试探电荷q=2.0*10^(-12)C由两极板间的A点移动到B点.AB间的距离S=8cm.AB与极板间的夹角a=30度
求:1.两板间的电场强度大小
2.电场力对试探电荷q所做的功
本题图
wen dao wu li ti平行板电容器两板相距D=100cm,电容C=10pF,带电量Q=3.5*10^(-10).上极板带正电,现在将一个试探电荷q=2.0*10^(-12)C由两极板间的A点移动到B点.AB间的距离S=8cm.AB与极板间的夹角a=30度求:1.
1.E=U/D ,U=Q/C E=3.5*10
2.实际电场力做工距离=0.08*sin30=o.04m FS=QES=2.8*10
wen dao wu li ti平行板电容器两板相距D=100cm,电容C=10pF,带电量Q=3.5*10^(-10).上极板带正电,现在将一个试探电荷q=2.0*10^(-12)C由两极板间的A点移动到B点.AB间的距离S=8cm.AB与极板间的夹角a=30度求:1.
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