The figure shows, in cross section, four thin wires that are parallel, straight, and very long. They carry identical currents of i= 2.80 Ain the directions indicated. Initially all four wires are at distance d - 11.9 cm from the origin of the coordinate system, where they create a net magnetic field B. (a) To what value of x must you move wire 1 along the x axis in order to rotate counterclockwise by 30%? (b) With wire 1 in that new position, to what value of x must you move wire 3 along the x axis to rotate B by 30° back to its initial orientation?
The figure shows, in cross section, four thin wires that are parallel, straight, and very long. They carry identical currents of i= 2.80 Ain the directions indicated. Initially all four wires are at distance d - 11.9 cm from the origin of the coordinate system, where they create a net magnetic field B. (a) To what value of x must you move wire 1 along the x axis in order to rotate counterclockwise by 30%? (b) With wire 1 in that new position, to what value of x must you move wire 3 along the x axis to rotate B by 30° back to its initial orientation?
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Transcribed Image Text:The figure shows, in cross section, four thin wires that are parallel, straight, and very long. They carry identical currents of i = 2.80 A in
the directions indicated. Initially all four wires are at distance d = 11.9 cm from the origin of the coordinate system, where they create
a net magnetic field B. (a) To what value of x must you move wire 1 along the x axis in order to rotate B counterclockwise by 30°? (b)
With wire 1 in that new position, to what value of x must you move wire 3 along the x axis to rotate B by 30° back to its initial
orientation?
(a) Number
(b) Number
Units
Units
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