Electric cells

The voltaic pile

The voltaic pile To support his views Volta constructed a pile of pairs of silver and zinc discs separated by discs of cardboard soaked in brine (Fig. 34.2 ({I)). On touching the top and bottom discs simultaneously he received an electric shock. Further experiments showed that similar results could be obtained with other metals in conjunction with solutions …

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Electric cells

Electric cells Towards the end of the eighteenth century, Luigi Galvani, Professor of Anatomy at Bologna University in Italy, published a book describing a series of investigations he had made on the subject of “animal electricity”. In this book he described how a freshly dissected frog’s leg could be thrown into muscular convulsions, simply by connecting the foot and …

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