EXAMPLE (1): Two very long parallel straight wires carry currents that are perpendicular to the page. Wire carries a current I₁ = 3 A out of the page and passes through the origin o of the x-axis, while wire carries a current I₂ =2 A into the page and passes through the x-axis at a distance d=0.6 m from the origin. (a) On the x-axis, show the directions of the magnetic fields, to right of wire 2, between the two wires, and to the left of wire 1. (b) To the right of wire , find a distance a at which the resultant magnetic field is zero.
EXAMPLE (1): Two very long parallel straight wires carry currents that are perpendicular to the page. Wire carries a current I₁ = 3 A out of the page and passes through the origin o of the x-axis, while wire carries a current I₂ =2 A into the page and passes through the x-axis at a distance d=0.6 m from the origin. (a) On the x-axis, show the directions of the magnetic fields, to right of wire 2, between the two wires, and to the left of wire 1. (b) To the right of wire , find a distance a at which the resultant magnetic field is zero.
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Transcribed Image Text:EXAMPLE (1):
Two very long parallel straight wires carry currents that are perpendicular to the
page. Wire carries a current I₁ =3 A out of the page and passes through the
origin o of the x-axis, while wire carries a current I2 = 2 A into the page and
passes through the x-axis at a distance d=0.6 m from the origin. (a) On the
x-axis, show the directions of the magnetic fields, to right of wire , between the
two wires, and to the left of wire 1. (b) To the right of wire , find a distance a
at which the resultant magnetic field is zero.
B₁
B₂
B₂
B₁
d
X
←a
P
B₁
B₂
'X
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