Consider the loop of wire in 28.25a. Imagine it is pivoted along side ➃, which is parallel to the z axis and fastened so that side ➃ remains fixed and the rest of the loop hangs vertically in the gravitational field of the Earth but can rotate around side ➃ ( 28.25b). The mass of the loop is 50.0 g, and the sides are of lengths a = 0.200 m and b = 0.100 m. The loop carries a current of 3.50 A and is immersed in a vertical uniform magnetic field of magnitude 0.010 0 T in the positive y direction (28.25c). What angle does the plane of the loop make with the vertical? The magnetic torque causes theloop to rotate in a clockwisedirection around side 0, whereasthe gravitational torque is in theopposite direction.The loop hangs verticallyand is pivoted so that itcan rotate around side 4.TO6 cos e )sin 03gFigure 28.25 (Example 28.5) (a) The dimensions of a rectangular current loop.(b) Edge view of the loop sighting down sides O and O. (c) An edge view of the loopin (b) rotated through an angle with respect to the horizontal when it is placed in amagnetic field.O(NO (N

Answered: The magnetic torque causes the loop to…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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Consider the loop of wire in 28.25a. Imagine it is pivoted along side ➃, which is parallel to the z axis and fastened so that side ➃ remains fixed and the rest of the loop hangs vertically in the gravitational field of the Earth but can rotate around side ➃ ( 28.25b). The mass of the loop is 50.0 g, and the sides are of lengths a = 0.200 m and b = 0.100 m. The loop carries a current of 3.50 A and is immersed in a vertical uniform magnetic field of magnitude 0.010 0 T in the positive y direction (28.25c). What angle does the plane of the loop make with the vertical?

The magnetic torque causes the
loop to rotate in a clockwise
direction around side 0, whereas
the gravitational torque is in the
opposite direction.
The loop hangs vertically
and is pivoted so that it
can rotate around side 4.
TO
6 cos e )
sin 0
3
g
Figure 28.25 (Example 28.5) (a) The dimensions of a rectangular current loop.
(b) Edge view of the loop sighting down sides O and O. (c) An edge view of the loop
in (b) rotated through an angle with respect to the horizontal when it is placed in a
magnetic field.
O(N
O (N

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