Home › CBSE Class 12 (Science) › Physics › Moving Charges and Magnetism › Oersted's 1820 demonstration showed a current de…
Oersted's 1820 demonstration showed a current deflecting which object?
AA Leyden jar
BA compass needle
CA voltaic pile
DA pith ball
Answer & Solution
Correct answer: B. A compass needle
A current in a straight wire turned a nearby magnetic compass needle, the first evidence linking electricity and magnetism.
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