Two long parallel wires, one with a semicircular bend of radius R, are oriented as shown in the figure. How far apart are the wires, which carry the same current, if the net magnetic field at point P is zero? (a) Write a symbolic expression for the distance, a, between the wires, in terms of the current, I, the radius, R, and any constants, as needed.
Two long parallel wires, one with a semicircular bend of radius R, are oriented as shown in the figure. How far apart are the wires, which carry the same current, if the net magnetic field at point P is zero? (a) Write a symbolic expression for the distance, a, between the wires, in terms of the current, I, the radius, R, and any constants, as needed.
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Transcribed Image Text:Two long parallel wires, one with a semicircular bend
of radius R, are oriented as shown in the figure.
How far apart are the wires, which carry the same
current, if the net magnetic field at point P is zero?
(a) Write a symbolic expression for the distance, a,
between the wires, in terms of the current, I, the
radius, R, and any constants, as needed.
a =
(b) What direction is the current in the unbent wire?
-Select---
-Select---
up the page
down the page
left on the page
right on the page
Su into the page
out of the page
R
P
a
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