电学“黑盒子”实验常用于高校大学生探索性物理实验及国际物理奥林匹克竞赛实验试题。这类实验对于评判学生物理知识综合运用能力、实验设计能力、实验操作能力以及提高学生分析、判断和推理能力都是十分有益的。 Electrical “Black Box ” experiment is often used in exploratory physics experiments for college students and international physics Olympiad experiments. Such experiments for the evaluation of students ’ability to use physical knowledge, experimental design ability, experimental operation ability and improve students’ ability of analysis, judgment and reasoning are very useful.