A straight 2.00-m, 150-g wire carries a current in a region where the earth's magnetic field is
Question:
(a) What is the minimum value of the current in this wire so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it? Does it seem likely that such a wire could support this size of current?
(b) Show how the wire would have to be oriented relative to the earth's magnetic field to be supported in this way.
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IDENTIFY The magnetic force is FIIB sind For the wire to be completely supporte...View the full answer
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