Question

Who was the inventor of choke coil?​

Answer 1

Answer:

Tokyo denki kagaku kogyo k.k was founded for the commercialization of ferrite.a groundbreaking magnetic material invited in Japan....he letter know as TDK

Answer 2

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Tokyo Denki Kagaku Kogyo K.K.

(later renamed TDK) was founded for the commercialization of ferrite, a groundbreaking magnetic material invented in Japan