40. The force on the rectangular loop of wire in the magnetic field in Figure 22.53 can be used to measure field strength. The field is uniform, and the plane of the loop is perpendicular to the field. (a) What is the direction of the magnetic force on the loop? Justify the claim that the forces on the sides of the loop are equal and opposite, independent of how much of the loop is in the field and do not affect the net force on the loop. (b) If a current of 5.00 A is used, what is the force per tesla on the 20.0-cm-wide loop? 20.0 cm Bout Figure 22.53 A rectangular loop of wire carrying a current is perpendicular to a magnetic field. The field is uniform in the region shown and is zero outside that region.

Glencoe Physics: Principles and Problems, Student Edition
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ISBN:9780078807213
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Chapter24: Magnetic Fields
Section: Chapter Questions
Problem 67A
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answer the question symbolically until you have to plug in numbers. show all work please.

40.
The force on the rectangular loop of wire in the magnetic field in Figure 22.53 can be used
to measure field strength. The field is uniform, and the plane of the loop is perpendicular to
the field. (a) What is the direction of the magnetic force on the loop? Justify the claim that
the forces on the sides of the loop are equal and opposite, independent of how much of the
loop is in the field and do not affect the net force on the loop. (b) If a current of 5.00 A is
used, what is the force per tesla on the 20.0-cm-wide loop?
20.0 cm
Bout
Figure 22.53 A rectangular loop of wire carrying a current is perpendicular to a magnetic
field. The field is uniform in the region shown and is zero outside that region.
Transcribed Image Text:40. The force on the rectangular loop of wire in the magnetic field in Figure 22.53 can be used to measure field strength. The field is uniform, and the plane of the loop is perpendicular to the field. (a) What is the direction of the magnetic force on the loop? Justify the claim that the forces on the sides of the loop are equal and opposite, independent of how much of the loop is in the field and do not affect the net force on the loop. (b) If a current of 5.00 A is used, what is the force per tesla on the 20.0-cm-wide loop? 20.0 cm Bout Figure 22.53 A rectangular loop of wire carrying a current is perpendicular to a magnetic field. The field is uniform in the region shown and is zero outside that region.
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