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electromagnetism - What would be the shape of the magnetic field around a current carrying wire made up from iron? - Physics Stack Exchange
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6a: Magnetic field from wire, A: Magnetic field around wire carrying a... | Download Scientific Diagram
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GCSE PHYSICS - What is the Shape of a Magnetic Field around a Straight Wire? - Electromagnetism - GCSE SCIENCE.
The magnetic field around a current-carrying wire - Magnets and magnetic fields - Edexcel - GCSE Physics (Single Science) Revision - Edexcel - BBC Bitesize
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