A rectangular coil consists of N = 120 closely wrapped turns and has dimensions a = 0.400 m and b = 0.300 m. The coil is hinged along the y axis, and its plane makes an angle 0 = 30.0° with the x axis (figure). (a) What is the magnitude of the torque exerted on the coil by a uniform magnetic field B = 0.320 T directed in the positive x direction when the current is I = 1.20 A in the direction shown? N. m (b) If you are looking downward from the positive y direction, what is the expected direction of rotation of the coil? clockwise O counterclockwise

Principles of Physics: A Calculus-Based Text
5th Edition
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Author:Raymond A. Serway, John W. Jewett
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Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 25P: A rectangular coil consists of N = 100 closely wrapped turns and has dimensions a = 0.400 m and b =...
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A rectangular coil consists of N = 120 closely wrapped turns and has dimensions a = 0.400 m and b = 0.300 m. The coil is hinged
along the y axis, and its plane makes an angle 0 = 30.0° with the x axis (figure).
(a) What is the magnitude of the torque exerted on the coil by a uniform magnetic field B = 0.320 T directed in the
positive x direction when the current is I = 1.20 A in the direction shown?
N. m
(b) If you are looking downward from the positive y direction, what is the expected direction of rotation of the coil?
clockwise
O counterclockwise
Transcribed Image Text:A rectangular coil consists of N = 120 closely wrapped turns and has dimensions a = 0.400 m and b = 0.300 m. The coil is hinged along the y axis, and its plane makes an angle 0 = 30.0° with the x axis (figure). (a) What is the magnitude of the torque exerted on the coil by a uniform magnetic field B = 0.320 T directed in the positive x direction when the current is I = 1.20 A in the direction shown? N. m (b) If you are looking downward from the positive y direction, what is the expected direction of rotation of the coil? clockwise O counterclockwise
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