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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 Galvanometer- In 1824, an English engineer invented the first working electromagnet laying the foundation for modern electrical engineering
- 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 America
- 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...22 May, 2026, 03.45 PM IST
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