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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Overview:
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.
japanese: 電信 電鈴 電話
Synonyms:
Aired: Jan 1, 1931
Premiered:
Duration: 10m
Status: Finished Airing
MAL Score: 5.61
Genres:
Kids
Studios:
Producers: