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 5.57-A current flowing clockwise around it. If the coil is in a uniform magnetic field of 1.99 x 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 = nab, where a and b are, respectively, the semimajor and semiminor axes of the ellipse. 40.0 cm |-30.0 cm-|

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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 5.57-A current flowing clockwise around it. If the coil is
in a uniform magnetic field of 1.99 x 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 = nab, where a and b are, respectively, the semimajor and
semiminor axes of the ellipse.
40.0 cm
|-30.0 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 5.57-A current flowing clockwise around it. If the coil is in a uniform magnetic field of 1.99 x 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 = nab, where a and b are, respectively, the semimajor and semiminor axes of the ellipse. 40.0 cm |-30.0 cm-|
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