Force between two superconducting wires

AI Thread Summary
Two parallel superconducting wires carrying the same current in the same direction will experience a magnetic force that attracts them together, despite their ability to expel magnetic fields. This phenomenon is explained by Ampère's force law, which still applies to superconductors. While superconductors do expel magnetic fields, they can still interact with the magnetic fields generated by each other. The discussion highlights the importance of understanding both Ampère's force law and Newton's third law in this context. Ultimately, the interaction between the superconducting wires results in an attractive force.
Danyon
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Consider two parallel superconducting wires. Both the wires carry the same current and the current is going in the same direction. do they experience a magnetic force attracting them together? Or do their magnetic fields behave differently?
 
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There is no escaping Newton's third law.
 
So does amperes force law apply to superconductors?
 
At the foot of this page ⇣⇣⇣ you'll see an earlier article on Lorentz force.
 

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