本文介绍怎样让学生动手做好直线电流磁场的实验,以达到学好规律,培养能力,开发智力的目的.做好实验必须解决三个问题.首先实验仪器的结构要简单直观,以便通过实验使学生对物理量及物理规律有进一步的认识,其次是实验仪器必须便于操做,测量方便,再次是各物理量的测量要有一定的精确度. This article describes how to let students do a good job of linear current magnetic field experiment, in order to achieve the purpose of learning the law, cultivating ability, developing intelligence.A good experiment must solve three problems.First, the structure of the experimental apparatus should be simple and intuitive, so that through experiments, students On the physical and physical laws have further understanding, followed by the experimental equipment must be easy to do, easy measurement, again, the physical measurement of a certain degree of accuracy.