Electrical Telegraphy, Electric Bells and Telephones streaming
'Info?'
Production companies
tagline
Genre
Animation
runtime | Genre | revenue |
---|---|---|
11 min | Animation | 0 USD |
Download link for "Electrical Telegraphy, Electric Bells and Telephones" :
SYNOPIS
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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