The magnetic field 41.0 cm away from a long, straight wire carrying current 3.00 A is 1460 nT.(a) At what distance is it 146 nT?410✓cm(b) At one instant, the two conductors in a long household extension cord carry equal 3.00-A currents in opposite directions. The two wires are 3.00 mm apart. Find the magnetic field 41.0 cm away from the middle of the straight cord, in the plane of the two wires.10.71✔nT(c) At what distance is it one-tenth as large?410xDo not assume a simple ratio holds unless you show that to be the case from the equations. cm(d) The center wire in a coaxial cable carries current 3.00 A in one direction, and the sheath around it carries current 3.00 A in the opposite direction. What magnetic field does the cable create at points outside the cables?✔nT0

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