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A wire of length L is wound around an iron cylinder mounted on a base. The two ends of the wire are connected to a battery via a switch that is initially open. A metal ring with a diameter larger than
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A wire of length L is wound around an iron cylinder mounted on a base. The two ends of the wire are connected to a battery via a switch that is initially open. A metal ring with a diameter larger than that of the cylinder sits on top of the coil. What happens to the metal ring when the switch is closed?

User Sabgenton
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4 votes

Answer:

The ring will move away from the rod and fly upward

Step-by-step explanation:

User Wojtas
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