First-Time Viewing
Electrical Telegraphy, Electric Bells and Telephones
Release Date:Release date TBD
Running Time:11 min
Genres:Animation
Director
Spoiler-Safe Overview
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Synopsis
When copper wire is wrapped around an iron rod and connected to a battery, it becomes an electromagnet. A science teaching material movie that explains the principle and structure of electric bells and telephones by applying the principle of an electromagnet through a fusion of live action and animation.
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