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26-04-2016
Chemistry

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When Johann Schweigger invented the first galvanometer, what did he recognize could be used to measure current:"

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06-05-2016

He improved and followed from the works of Luigi Galvani, which used a 'frog galvanoscope' as a prototype of measuring current. He recognized that a compass could actually measure current, given that it is placed near coil of wire.

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