Substantial-frequency alternators with the variable-reluctance kind were being used commercially to radio transmission in reduced-frequency radio bands. These had been utilized for transmitting Morse code and, experimentally, for transmitting voice and tunes. Within the Alexanderson alternator, each the sector winding and armature winding are stationary, and current is induced inside https://leaf-spring91346.digitollblog.com/35263443/ltd-fundamentals-explained