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. -
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. -