摘要
焦耳定律演示实验在初中物理教材中是一个很重要的实验 ,但课本中的实验操作麻烦 ,既费时、效果又不够明显。作者介绍了对该实验的改进方法。
The demonstrative experiment of Joule's law is an important one of the physics teaching in junior middle schools .I ts operation procedures on the textbook is not to be very effective and takes some time ,this paper introduces an improvement to the experiment.
出处
《遵义师范学院学报》
2002年第3期86-87,共2页
Journal of Zunyi Normal University
关键词
焦尔定律
演示实验
改进
Joule's law
demonstrative experiment
improvement.
