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The magnetic field is 1.30uT at a distance 43.8cm away from a long, straight wire. At what distance is it 0.130uT? stie

The magnetic field is 1.30uT at a distance 43.8cm away from a long, straight wire. At what distance is it 0.130uT? stie

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The magnetic field is 1.30uT at a distance 43.8cm away from a long, straight wire. At what distance is it 0.130uT? At one instant, the two conductors in a long household extension cord carry equal 2.06A currents in opposite directions. The two wires are 2.96mm apart. Calculate the magnetic field 43.8cm way from the middle of the straight cord, in the plane of the two wires. At what distance is it one-tenth as large? The center wire in a coaxial cable carries current 2.06A in one direction, and the sheath around it carries current 2.06A in the opposite direction. What magnetic field does the cable create at points outside?
Transcribed Image Text:The magnetic field is 1.30uT at a distance 43.8cm away from a long, straight wire. At what distance is it 0.130uT? At one instant, the two conductors in a long household extension cord carry equal 2.06A currents in opposite directions. The two wires are 2.96mm apart. Calculate the magnetic field 43.8cm way from the middle of the straight cord, in the plane of the two wires. At what distance is it one-tenth as large? The center wire in a coaxial cable carries current 2.06A in one direction, and the sheath around it carries current 2.06A in the opposite direction. What magnetic field does the cable create at points outside?
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