Read about Charles Augustin de Coulomb, who didn't invent the torsion balance, but was the first to discover it could be used to measure electrical charge- the first device capable of such a feat.

Concepts

torque

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Additional Tags

measuring electrical charge, torsion balance, coulomb, magnet lab, magnet lab: torsion balance - 1785, charles coulomb

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Classroom Considerations

• Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)