Problem 5: An infinitely long straight wire is strung out along the y-axis, and carries a current I in the +y-direction. Superimposed upon the magnetic field, B1), produced by the wire, is a uniform magnetic field, B(2), produced by other (distant) sources, with B2) pointing in the +x-direction. The net magnetic field, B = B(1) + B(2) is zero at some point located on the z-axis at a distance d from the x-axis. If the current in the wire is increased by a factor of 3, i.e., to I' = 31, without changing B(2), the net magnetic field, B, will vanish on the z-axis at a distance d' from the x-axis where (A) d' (B) ď (C) d' (D) ď' Зd 9d |3D (E) d' V3d
Problem 5: An infinitely long straight wire is strung out along the y-axis, and carries a current I in the +y-direction. Superimposed upon the magnetic field, B1), produced by the wire, is a uniform magnetic field, B(2), produced by other (distant) sources, with B2) pointing in the +x-direction. The net magnetic field, B = B(1) + B(2) is zero at some point located on the z-axis at a distance d from the x-axis. If the current in the wire is increased by a factor of 3, i.e., to I' = 31, without changing B(2), the net magnetic field, B, will vanish on the z-axis at a distance d' from the x-axis where (A) d' (B) ď (C) d' (D) ď' Зd 9d |3D (E) d' V3d
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![Problem 5: An infinitely long straight wire is strung out along the y-axis, and carries a
current I in the +y-direction. Superimposed upon the magnetic field, B1), produced by
the wire, is a uniform magnetic field, B(2), produced by other (distant) sources, with B2)
pointing in the +x-direction. The net magnetic field, B = B(1) + B(2) is zero at some point
located on the z-axis at a distance d from the x-axis.
If the current in the wire is increased by a factor of 3, i.e., to I' = 31, without changing
B(2), the net magnetic field, B, will vanish on the z-axis at a distance d' from the x-axis
where
(A) d'
(B) ď
(C) d'
(D) ď'
Зd
9d
|3D
(E) d'
V3d](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74b33ebe-31a4-43ae-802a-49365f949aaf%2F86ff5fff-b3ec-4f8a-8d69-59d9852cd586%2Foylmrnr.png&w=3840&q=75)
Transcribed Image Text:Problem 5: An infinitely long straight wire is strung out along the y-axis, and carries a
current I in the +y-direction. Superimposed upon the magnetic field, B1), produced by
the wire, is a uniform magnetic field, B(2), produced by other (distant) sources, with B2)
pointing in the +x-direction. The net magnetic field, B = B(1) + B(2) is zero at some point
located on the z-axis at a distance d from the x-axis.
If the current in the wire is increased by a factor of 3, i.e., to I' = 31, without changing
B(2), the net magnetic field, B, will vanish on the z-axis at a distance d' from the x-axis
where
(A) d'
(B) ď
(C) d'
(D) ď'
Зd
9d
|3D
(E) d'
V3d
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