An eight-turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm (see figure). The coil lies in the plane of the page and has a 6.10-A current flowing clockwise around it. If the coil is in a uniform magnetic field of 2.10 × 10** T directed toward the left of the page, what is the magnitude of the torque on the coil? Hint: The area of an ellipse is A = ab, where a and b are, respectively, the semimajor and semiminor axes of the ellipse. x Make sure you have calculated the cross-sectional area of the elliptical coil correctly and have not confused the major and minor axes with the semimajor and semiminor axes. N.m O 30.0 cm 40.0 cm

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter29: Magnetic Fields
Section: Chapter Questions
Problem 29.13OQ: A magnetic field exerts a torque on each of the current-carrying single loops of wire shown in...
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An eight-turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm (see figure). The coil lies in the plane of the page and has a 6.10-A current flowing clockwise around it. If the coil is in a uniform magnetic field of 2.10 × 10-4 T
directed toward the left of the page, what is the magnitude of the torque on the coil? Hint: The area of an ellipse is A = πab, where a and b are, respectively, the semimajor and semiminor axes of the ellipse.
Make sure you have calculated the cross-sectional area of the elliptical coil correctly and have not confused the major and minor axes with the semimajor and semiminor axes. N. m
B
O
+30.0 cm
40.0 cm
Transcribed Image Text:An eight-turn coil encloses an elliptical area having a major axis of 40.0 cm and a minor axis of 30.0 cm (see figure). The coil lies in the plane of the page and has a 6.10-A current flowing clockwise around it. If the coil is in a uniform magnetic field of 2.10 × 10-4 T directed toward the left of the page, what is the magnitude of the torque on the coil? Hint: The area of an ellipse is A = πab, where a and b are, respectively, the semimajor and semiminor axes of the ellipse. Make sure you have calculated the cross-sectional area of the elliptical coil correctly and have not confused the major and minor axes with the semimajor and semiminor axes. N. m B O +30.0 cm 40.0 cm
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