一带电粒子平行磁感应线射入匀强磁场 则它作___运动; If a parallel magnetic induction line of

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一带电粒子平行磁感应线射入匀强磁场,则它作___运动; If a parallel magnetic induction line of the electric particle is injected into the uniform magnetic field, it will move ___.

A.直线; straight lines;

B.变速率圆周; speed change rate of the circumference;

C.匀速率圆周; uniform speed of the circumference;

D.螺线; spiral;

一带电粒子平行磁感应线射入匀强磁场 则它作___运动; If a parallel magnetic induction line of

热搜:关于磁场强度和磁感应强度,错误的说法是