" After Oersted's discovery who discovered that two parallel electrical currents can attract or repel ? [ GOOGLE AI search result ]

[ " After Oersted discovery who discovered that two parallel electrical currents can attract or repel? "] 3:57 AM [The discovery that two parallel electrical currents can attract or repel each other was made by the French physicist and mathematician André-Marie Ampère. In September 1820, upon learning of Hans Christian Ørsted’s demonstration showing that an electric current deflects a compass needle, Ampère reasoned that if an electric current can exert a force on a magnet, then two electric currents should be able to exert a magnetic force on each other. Through a series of experiments conducted that same month, he established the foundational principles of electrodynamics: Current Direction Resulting Force Parallel (Currents flowing in the same direction) Attraction (The wires pull toward each other) Anti-parallel (Currents flowing in opposite directions) Repulsion (The wires push away from each other) This breakthrough proved that magnetic attraction and repulsion could be generated entirely by moving electricity, without the presence of any physical magnets. Ampère later formalized these interactions mathematically into what is now known as Ampère's Law.]