A long pair of insulated wires serves to conduct 28.0 Aof
Chapter 28, Problem 28.14(choose chapter or problem)
A long pair of insulated wires serves to conduct 28.0 Aof dc current to and from an instrument. If the wires areof negligible diameter but are 2.8 mm apart, what isthe magnetic field 10.0 cm from their midpoint, in theirplane (Fig. 28-36)? Compare to the magnetic field ofthe Earth.
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