A long pair of wires conducts 25.0A of dc current to, and from, an instrument. If the

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A long pair of wires conducts 25.0A of dc current to, and from, an instrument. If the insulated wires are of negligible diameter but are 2.8mm apart, what is the magnetic field 10.00cm from their midpoint, in their plane (Fig 20-56)? Compare to the magnetic field of the Earth.


10.00 cm 2.8 mm
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