Explanation 1) Concept: We use the equation of torque applied by the magnetic field on a current carrying loop. As the loop has four segments, we just need to consider the segment which can create torque about the axis along the hinge line. 2) Formulae: i) A = l × b ii) τ = N I A B s i n θ 3) Given: i) Number of turns of coil, N = 20 ii) The length of coil, l = 10 c m = 0.10 m iii) The breadth of coil, b = 5 c m = 0.05 m iv) The current through the coil, I = 0.10 A v) The angle between the coil and direction of magnetic field is, θ ' = 30 ° vi) The magnetic field is, B = 0.50 T 4) Calculations: The current passing through the segment AD which is along the hinge line is in the +y direction, and the magnetic field is in the x-z plane. So, the torque acting on the coil will be in the –y direction. Now, The equation for torque is τ = N I A B s i n θ Here, θ is the angle between magnetic dipole moment and the magnetic field

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ISBN: 9781118230725

Author: David Halliday, Robert Resnick, Jearl Walker

Publisher: Wiley, John & Sons, Incorporated

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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.

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Chapter 28, Problem 49P

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The torque acting on the coil about the hinge line in unit vector notation

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Chapter 28, Problem 48P

Chapter 28, Problem 50P

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Chapter 28 Solutions

Fundamentals of Physics Extended

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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The torque acting on the coil about the hinge line in unit vector notation

Solution Summary: The author explains the equation of torque applied by the magnetic field on a current carrying loop.

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To find: The torque acting on the coil about the hinge line in unit vector notation

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Chapter 28 Solutions

To find:

The torque acting on the coil about the hinge line in unit vector notation