What type of coils did Pupin use in his long-distance communication patent?
Rubber Coils
Steel Coils
Wire Coils
Plastics Coils
Answer
A wire coil is a device that can be used to transmit or receive electromagnetic waves. It consists of a length of wire wrapped around a core, such as a metal rod or tube. When an electric current is passed through the wire, it creates a magnetic field around the core. This magnetic field can then be used to transmit or receive electromagnetic waves.
The Electrifying Journey of Mihajlo Pupin: A Quiz on the Serbian Trailblazer!
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