Recent content by Forever_hard

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    Find Period of rotation of the copper ring in a Magnetic Field

    I have just solved this problem :)
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    Find Period of rotation of the copper ring in a Magnetic Field

    oh, I forgot a picture: http://s019.radikal.ru/i602/1208/c2/12b4695f3d49.jpg
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    Find Period of rotation of the copper ring in a Magnetic Field

    Homework Statement A Copper Ring with Radius r and mass m hangs by a thread and rotates with a period T. Ring's coefficient of self inductance is L . What would be a new rotation period of ring, if it was in a horisontal uniform magnetic B field, which is parallel to Ring's plane on a...