A current loop in a homogeneous magnetic field experiences a torque, but no forc... | Hacker News

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		fsh on March 13, 2023 \| parent \| context \| favorite \| on: Viable superconducting material created in Rochest... A current loop in a homogeneous magnetic field experiences a torque, but no force.

nine_k on March 13, 2023 [–]

What about two loops attached rigidly to each other, with currents running in opposite directions? (I suppose that for practical stability a larger ring of coils would be needed.)

fsh on March 13, 2023 | [–]

They would experience neither force, nor torque.

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