A flat rectangular wire loop is positioned next to a long straight current-carrying wire. Both the loop and the wire are in the plane of the page, and the direction of the current is clearly indicated in the figure. How does the magnitude of the magnetic field change as the perpendicular distance from the wire, (r) increases? From Ampère's Law we know that the magnitude of the magnetic field increases in direct proportion to the perpendicular distance, that is, Bocr. From Ampère's Law we know that the magnitude of the magnetic field decreases as an inverse proportion to the square of the perpendicular distance, that is, Bxc1/r^2. From Ampère's Law we know that the magnitude of the magnetic field decreases as an inverse proportion to the perpendicular distance, that is, Bxc1/r. From Ampère's Law we know that the magnitude of the magnetic field increases in direct proportion to the square of the perpendicular distance, Bocr^2.

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A flat rectangular wire loop is positioned next to a long straight current-carrying wire. Both the loop
and the wire are in the plane of the page, and the direction of the current is clearly indicated in the
figure.
How does the magnitude of the magnetic field change as the perpendicular distance from the wire,
(r) increases?
From Ampère's Law we know that the magnitude of the magnetic field increases in direct proportion to the
perpendicular distance, that is, Bocr.
From Ampère's Law we know that the magnitude of the magnetic field decreases as an inverse proportion to
the square of the perpendicular distance, that is, Bxc1/r^2.
From Ampère's Law we know that the magnitude of the magnetic field decreases as an inverse proportion to
the perpendicular distance, that is, Bx1/r.
From Ampère's Law we know that the magnitude of the magnetic field increases in direct proportion to the
square of the perpendicular distance, Bor^2.
Transcribed Image Text:A flat rectangular wire loop is positioned next to a long straight current-carrying wire. Both the loop and the wire are in the plane of the page, and the direction of the current is clearly indicated in the figure. How does the magnitude of the magnetic field change as the perpendicular distance from the wire, (r) increases? From Ampère's Law we know that the magnitude of the magnetic field increases in direct proportion to the perpendicular distance, that is, Bocr. From Ampère's Law we know that the magnitude of the magnetic field decreases as an inverse proportion to the square of the perpendicular distance, that is, Bxc1/r^2. From Ampère's Law we know that the magnitude of the magnetic field decreases as an inverse proportion to the perpendicular distance, that is, Bx1/r. From Ampère's Law we know that the magnitude of the magnetic field increases in direct proportion to the square of the perpendicular distance, Bor^2.
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