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Which scientist in 1820 found that a compass needle is deflected by passing an electric current through a wireplaced near the needle? |
Answer» Hans Christian OerstedHans Christian Oersted, one of the leading scientists of the 19th century, PLAYED a crucial role in UNDERSTANDING electromagnetism.In 1820 he ACCIDENTALLY discovered that a COMPASS needle got deflected when an electric current passed through a metallic wire placed nearby. |
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