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What was Pupin's invention that improved long-distance phone communication called?
Pupinization
Pupinator
Pupin Coil
Pupin Phone
Answer
Pupinization was an invention by Mihajlo Pupin that improved long-distance phone communication. It involved inserting a series of inductance coils in the telephone line to compensate for the resistance of the line and the capacitance between the line and the ground. This allowed for clearer and more reliable phone calls over long distances.
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