Question : The year 2020 marks the nth year of the famous Oersted's Experiment, where n is equal to:
Option 1: 150
Option 2: 125
Option 3: 100
Option 4: 200
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Correct Answer: 200
Solution : The correct answer is 200 .
The year 2020 marks the 200th anniversary of the famous Oersted's Experiment, and this law states that the magnetic field is formed by an electric current. It is shown by setting a compass through a wire carrying an electric current that moving electrons can create a magnetic field. The magnetic field created by the current goes in circles around the wire.
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