問題詳情

10. The point P lies along the perpendicular bisector of the line connecting two long straight wires Sand T that are perpendicular to the page. A set of directions A through H is shown next to thefigure. When the two equal currents in the wires are directed up out of the page, the direction ofthe magnetic field at P is closest to the direction of ______.


(A) A
(B) E
(C) F
(D) G
(E) H

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增