An aluminium ring B faces anelectromagnet A . The current l through A can be altered. Then which of thefollowing statement is correct?
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Mass Production CNC Lathe Machining Parts and Fabrication Turning Aluminum Ring Part for Shambhala - China CNC Machining, CNC Parts | Made-in-China.com
![Aluminium Ring Mittelloch Zuschnitt 2mm Alu Scheibe Bohrung Aluminiumscheibe Metallring AlMg3 walzblank | metallandmore shop Aluminium Ring Mittelloch Zuschnitt 2mm Alu Scheibe Bohrung Aluminiumscheibe Metallring AlMg3 walzblank | metallandmore shop](https://www.metallandmore.de/media/image/4e/c0/b7/Ringe-ALU-1Df9wDa9DKI8aM.jpg)
Aluminium Ring Mittelloch Zuschnitt 2mm Alu Scheibe Bohrung Aluminiumscheibe Metallring AlMg3 walzblank | metallandmore shop
![Aluminium Ring Mittelloch Zuschnitt 2mm Alu Scheibe Bohrung Aluminiumscheibe Metallring AlMg3 walzblank | metallandmore shop Aluminium Ring Mittelloch Zuschnitt 2mm Alu Scheibe Bohrung Aluminiumscheibe Metallring AlMg3 walzblank | metallandmore shop](https://www.metallandmore.de/media/image/5b/29/e4/Ringe-ALU-25mP0M8xmp4s78.jpg)