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.
0.0/10When 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.
No momento, não sabemos de nenhum serviço de streaming onde você possa assistir Electrical Telegraphy, Electric Bells and Telephones
Acompanhe suas séries, receba notificações de novos episódios e descubra tendências onde estiver.
