Wiedemann effect

Wie·​de·​mann effect | \ˈvēdəˌmän-, ˈwēdəmən-\

Definition of Wiedemann effect 

: twisting of a ferromagnetic rod due to the joint action of a longitudinal current in the rod and a longitudinal magnetic field — compare magnetostriction

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History and Etymology for Wiedemann effect

after Gustav H. Wiedemann †1899 German physicist

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to make faulty or ineffective

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