8 10-5 Motion of Charged Particles in Magnetic Field带电粒子在磁场中的运动 8 10-6 Magnetic Force on Current-carrying Conductors磁场对载流导体的作用 8 10-7 Magnetic Torque on a Current Loop 磁场对载流线圈的作用•§ 10-6 Magnetic Force on Current-carrying Conductors 磁场对载流导体的作用 • § 10-5 Motion of Charged Particles in Magnetic Field 带电粒子在磁场中的运动 •§ 10-7 Magnetic Torque on a Current Loop 磁场对载流线圈的作用