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GALVANOMETER
In 1820, a French physicist invented an astatic needle which canceled out the Earth's magnetic field, enabling the creation of the sensitive GalvanometerIn 1820, a French physicist invented an astatic needle which canceled out the Earth's magnetic field, enabling the creation of the sensitiv...- In 1824, an English engineer invented the first working electromagnet laying the foundation for modern electrical engineeringIn 1824, an English engineer invented the first working electromagnet laying the foundation for modern electrical engineering. William Stur...
- An Irish-Scottish mathematician in 1854 put a tiny mirror on a suspended magnet; his invention helped send electric signals through an undersea cable and connect Europe with AmericaWilliam Thomson tackled the challenge of signal delays in extensive telegraph cables by creating a highly sensitive mirror galvanometer, ca...
- In 1831, Michael Faraday noticed a tiny needle twitch: And discovered the hidden force behind modern electricityIn 1831, visionary scientist Michael Faraday made a pivotal discovery: the relationship between changing magnetism and electric current. Th...
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