eletromagnetismo hayt 6 ed ed

If we assume an infinite cylinder length, there will be no z dependence in the field, since as we lengthen the loop in the z direction, the path length over which the integral is taken increases, but then so does the enclosed current — by the same factor. Each does, as shown above. No further motion is possible, so nothing happens. The force on Q2 is now zero. Original Description:.

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