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Physics
Classical Physics
Electromagnetism
A donut electromagnetic core comprises main section + movable section
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[QUOTE="cairoliu, post: 6850253, member: 637633"] From reply #13, then after, I assume the cylinder is replaced with an infinite area plate with thickness equal to original height of the solid cylinder, and no more rotation, but linear motion. My only concern is whether the motion of wire (combined with plate), is affected by the plate in term of induction effect. By my imagination, the contact area between wire and plate seems not to cut B flux, as the motion may stickily drag the MMF lines if not instant straightening (reconnect to nearest magnetic domains); only the wire upper portion causes flux change? Following sketch illustrates the combined wire and plate moving towards reader. If the plate is attached with the C core, and let the wire independently move, is there the same induction effect? [ATTACH type="full" alt="mag-induction.png"]321629[/ATTACH] [/QUOTE]
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Forums
Physics
Classical Physics
Electromagnetism
A donut electromagnetic core comprises main section + movable section
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