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How will the conductor, carrying current I_(0) rotate immediately after it is released in following three cases [consider magnetic force only] (a)Conductor carrying current I_(0) is placed symmetrically above poles of a fixed U shaped magnet (figure a). (b)Conductor carrying current I0 is placed symmetrically at a distance from a fixed current (I_(1)) carrying wire (fig. (b)) (c) An insulated circular current carrying wire is held fixed in vertical plane. Conductor carrying current I_(0) is in the shape of a circle of diameter nearly equal to that of the fixed insulated circle. The planes of the two circles are perpendicular to each other (fig. (c)) with xy as common diameter |
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