一带电粒子与磁感应线成任意角度射入匀强磁场 则它作___运动; If the electric particle and the

大学网课 已帮助 人

一带电粒子与磁感应线成任意角度射入匀强磁场,则它作___运动; If the electric particle and the magnetic induction line are injected into the uniform magnetic field at any Angle, it will do ___ motion.

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.(D)螺线; spiral;

一带电粒子与磁感应线成任意角度射入匀强磁场 则它作___运动; If the electric particle and the

热搜:低压设备作业时,人体与带电体的安全距离