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प्रश्न
The magnetic effect of current was discovered by ______.
विकल्प
Thomson
Millikan
Oersted
Faraday
MCQ
रिक्त स्थान भरें
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उत्तर
The magnetic effect of current was discovered by oersted.
Explanation:
Hans Christian Oersted discovered the magnetic effect of electric current in 1820. He observed that a compass needle gets deflected when placed near a current-carrying wire, proving that electric current produces a magnetic field.
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