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What did george ohm use to measure potential difference and current if voltmeters and ammeters weren't invent'

2007-04-17 11:51:34 · 2 answers · asked by Chuqs U 1 in Science & Mathematics ➔ Physics

2 answers

galvanometers were around back then.

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2007-04-17 11:54:19 · answer #1 · answered by tlbs101 7 · 1⤊ 0⤋

They had the meter and had to establish the parameters of E=IR

2007-04-17 11:59:00 · answer #2 · answered by JOHNNIE B 7 · 0⤊ 0⤋

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