to the faces of the loops is out of the screen (towards you) and assume the positive vertical direction is toward the top of the screen.) 1₂2 (a) What is the magnitude of the net magnetic field (in µT) at the center of the two loops? 5.14 X Recall that the magnetic field at the center of a circular current loop of radius R and carrying current I is B = Hol. Use this relationship for both loops, and apply the right-hand rule to determine the directions of the field due to each loop.uT 2R (b) What is the direction of the net magnetic field at the center of the two loops? O out of the screen into the screen O toward the top of the screen O toward the bottom of the screen (c) Let r₁ remain fixed at 12.0 cm and let r₂ be a variable. Determine the value of r₂ (in cm) such that the net field at the center of the loops zero. 4.76 cm Need Help? Read It

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 51P
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Two coplanar and concentric circular loops of wire carry currents of I₁ = 6.80 A and I₂ = 2.70 A in opposite directions as in the figure below. Let r₁ = 12.0 cm and r₂ = 8.60 cm. (Assume the positive direction along the axis perpendicular
to the faces of the loops is out of the screen (towards you) and assume the positive vertical direction is toward the top of the screen.)
(a) What is the magnitude of the net magnetic field (in µT) at the center of the two loops?
5.14
X
нов
Use this relationship for both loops, and apply the right-hand rule to determine the directions of the field due to each
Recall that the magnetic field at the center of a circular current loop of radius R and carrying current I is B =
loop. μT
2R
(b) What is the direction of the net magnetic field at the center of the two loops?
O out
O into the screen
O toward the top of the screen
O toward the bottom of the screen
screen
(c) Let ₁ remain fixed at 12.0 cm and let ₂ be a variable. Determine the value of r2 (in cm) such that the net field at the center of the loops is zero.
4.76
Need Help?
Read It
cm
Transcribed Image Text:Two coplanar and concentric circular loops of wire carry currents of I₁ = 6.80 A and I₂ = 2.70 A in opposite directions as in the figure below. Let r₁ = 12.0 cm and r₂ = 8.60 cm. (Assume the positive direction along the axis perpendicular to the faces of the loops is out of the screen (towards you) and assume the positive vertical direction is toward the top of the screen.) (a) What is the magnitude of the net magnetic field (in µT) at the center of the two loops? 5.14 X нов Use this relationship for both loops, and apply the right-hand rule to determine the directions of the field due to each Recall that the magnetic field at the center of a circular current loop of radius R and carrying current I is B = loop. μT 2R (b) What is the direction of the net magnetic field at the center of the two loops? O out O into the screen O toward the top of the screen O toward the bottom of the screen screen (c) Let ₁ remain fixed at 12.0 cm and let ₂ be a variable. Determine the value of r2 (in cm) such that the net field at the center of the loops is zero. 4.76 Need Help? Read It cm
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