Explanation 1) Concept: The magnetic dipole moment of a current carrying loop depends on the number of loops, the current through the loop, and the area enclosed by each turn of the loop. Substituting these values in the formula, we can find the magnitude of the magnetic dipole moment. The torque acting on the loop due to external magnetic field is given by the cross product of the magnetic moment of the loop and the external magnetic field. 2) Formula: i) μ = N i A ii) τ = μ → × B → = μ B s i n θ 3) Given: i) The radius of the wire loop = r = 15.0 c m = 0.15 m ii) The current through the loop = i = 2.60 A iii) The angle between the normal to the plane of the loop and the external magnetic field = θ = 41.0 ° iv) The external magnetic field = B = 12.0 T 4) Calculations: a) The magnetic moment is given by μ = N i A Here, N = 1 and A = π r 2 ∴ μ = i π r 2 μ = 2

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ISBN: 9781119500100

Author: Halliday

Publisher: MCGRAW-HILL HIGHER EDUCATION

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Magnetic Force

A magnetic force arises when a charged particle or a current-carrying conductor is placed in a magnetic field. It is created because of the movement of the charged particles.

Question

Chapter 28, Problem 56P

To determine

To find:

a) The magnitude of the magnetic dipole moment of the loop

b) The magnitude of the torque acting on the loop

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Chapter 28, Problem 55P

Chapter 28, Problem 57P

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Chapter 28 Solutions

FUND PHYS 10TH EXT WILEY PLUS

Ch. 28 - Prob. 1Q Ch. 28 - Prob. 2Q Ch. 28 - Prob. 3Q Ch. 28 - Prob. 4Q Ch. 28 - In Module 28-2, we discussed a charged particle...Ch. 28 - Figure 28-26 shows crossed uniform electic and...Ch. 28 - Figure 28-27 shows the path of an electron that...Ch. 28 - Figure 28-28 shows the path of an electron in a...Ch. 28 - a In Checkpoint 5, if the dipole moment is rotated...Ch. 28 - Particle round about. Figure 28-29 shows 11 paths...

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a) The magnitude of the magnetic dipole moment of the loop b) The magnitude of the torque acting on the loop

Solution Summary: The author explains that the magnetic dipole moment of a current carrying loop depends on the number of loops, the current through the loop, and the area enclosed by each turn.

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To find: a) The magnitude of the magnetic dipole moment of the loop b) The magnitude of the torque acting on the loop

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Chapter 28 Solutions

To find:

a) The magnitude of the magnetic dipole moment of the loop

b) The magnitude of the torque acting on the loop