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Class 10 Science Medium Mcq English Medium

Hans Christian Oersted discovered that a compass needle was deflected when

Question
Hans Christian Oersted discovered that a compass needle was deflected when
a magnet was cooled
current passed through a nearby metallic wire
a resistor was disconnected
water was boiled
Answer
current passed through a nearby metallic wire
Detailed Explanation
Oersted observed compass deflection when electric current passed through a nearby metallic conductor. — Examisthan.com
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