The induction coil, known as “Ruhmkorff Coil, belongs to the transformers family and it had a leading role in the history of electromagnetism as a current generator. More precisely, it is a type distributive discharge spool. This type of transformer is used to produce high voltage pulses starting from a low voltage direct current source. To produce the flow variations needed to induce voltage in the secondary coil, the flow of direct current in the primary coil is repeatedly interrupted by a vibrating mechanical contact called interrupter.
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