A wire carries an electric current directed into the page. Then the direction of the magnetic field at point P located as shown in the figure is N w .PE L х S ay Ob.+y oc. +X d. -

匿名用户 最后更新于 2021-12-01 19:31 物理类Physics

A wire carries an electric current directed into the page. Then the direction of the magnetic field at point P located as shown in the figure is N w .PE L х S ay Ob.+y oc. +X d. -

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