Electromagnetism INEL 4152 Sandra Cruz-Pol, Ph. D. ECE UPRM Mayagüez, PR Electricity => Magnetism  In 1820 Oersted discovered that a steady current produces a magnetic field.

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Transcript Electromagnetism INEL 4152 Sandra Cruz-Pol, Ph. D. ECE UPRM Mayagüez, PR Electricity => Magnetism  In 1820 Oersted discovered that a steady current produces a magnetic field.