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Lodge syntonic jars

Автор: fstfirenze

Загружено: 2013-04-20

Просмотров: 4119

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Bottiglie sintoniche di Lodge

Una bottiglia di Leida recante una spira rettangolare di filo munito di uno spinterogeno è caricata periodicamente da una bobina d'induzione. Ogni scarica produce nel circuito una corrente oscillante ad alta frequenza.

Un secondo circuito composto da un'identica bottiglia munita di un piccolo spinterogeno laterale e da una spira di filo che ne collega le armature è posta nelle vicinanze del primo circuito. Un'asticella mobile permette di cambiare le dimensioni della spira e dunque l'autoinduttanza del circuito.

Muovendo l'asticella è possibile accordare i circuiti in modo da ottenere la loro risonanza. Quando essi sono "in sintonia" ogni scarica del primo produce una scintilla allo spinterogeno del secondo.

La posizione del contatto mobile per ottenere la risonanza non è precisa siccome le oscillazioni smorzate dei circuiti non hanno una singola frequenza.

Lodge syntonic jars

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