The drawing shows a coil of copper wire that consists of two semicircles joined by straight sections of wire. In part a the coil is lying flat on a horizontal surface. The dashed line also lies in the plane of the horizontal surface. Starting from the orientation in part a, the smaller semicircle rotates at an angular frequency w about the dashed line, until its plane becomes perpendicular to the horizontal surface, as shown in part b. A uniform magnetic field is constant in time and is directed upward, perpendicular to the horizontal surface. The field completely fills the region occupied by the coil in either part of the drawing. The magnitude of the magnetic field is 0.39 T. The resistance of the coil is 0.025 02, and the smaller semicircle has a radius of 0.20 m. The angular frequency at which the small semicircle rotates is 1.3 rad/s. Determine the average current I, if any, induced in the coil as the coil changes shape from that in part a of the drawing to that in part b. Be sure to include an explicit plus or minus sign along with your answer. Assume the counterclockwise around the larger semicircular wire direction of current (as seen from above) positive.
The drawing shows a coil of copper wire that consists of two semicircles joined by straight sections of wire. In part a the coil is lying flat on a horizontal surface. The dashed line also lies in the plane of the horizontal surface. Starting from the orientation in part a, the smaller semicircle rotates at an angular frequency w about the dashed line, until its plane becomes perpendicular to the horizontal surface, as shown in part b. A uniform magnetic field is constant in time and is directed upward, perpendicular to the horizontal surface. The field completely fills the region occupied by the coil in either part of the drawing. The magnitude of the magnetic field is 0.39 T. The resistance of the coil is 0.025 02, and the smaller semicircle has a radius of 0.20 m. The angular frequency at which the small semicircle rotates is 1.3 rad/s. Determine the average current I, if any, induced in the coil as the coil changes shape from that in part a of the drawing to that in part b. Be sure to include an explicit plus or minus sign along with your answer. Assume the counterclockwise around the larger semicircular wire direction of current (as seen from above) positive.
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
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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![The drawing shows a coil of copper wire that consists of two semicircles joined by straight sections of wire. In part a the coil is lying flat
on a horizontal surface. The dashed line also lies in the plane of the horizontal surface. Starting from the orientation in part a, the
smaller semicircle rotates at an angular frequency w about the dashed line, until its plane becomes perpendicular to the horizontal
surface, as shown in part b. A uniform magnetic field is constant in time and is directed upward, perpendicular to the horizontal
surface. The field completely fills the region occupied by the coil in either part of the drawing. The magnitude of the magnetic field is
0.39 T. The resistance of the coil is 0.025 02, and the smaller semicircle has a radius of 0.20 m. The angular frequency at which the small
semicircle rotates is 1.3 rad/s. Determine the average current I, if any, induced in the coil as the coil changes shape from that in part a of
the drawing to that in part b. Be sure to include an explicit plus or minus sign along with your answer. Assume the counterclockwise
around the larger semicircular wire direction of current (as seen from above) positive.
1 =
i
4
(b)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F15ddb6cd-6983-4657-9770-05e88534b1be%2Ff801fe63-60df-4e12-a411-ee2c78938192%2F7nab3mk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The drawing shows a coil of copper wire that consists of two semicircles joined by straight sections of wire. In part a the coil is lying flat
on a horizontal surface. The dashed line also lies in the plane of the horizontal surface. Starting from the orientation in part a, the
smaller semicircle rotates at an angular frequency w about the dashed line, until its plane becomes perpendicular to the horizontal
surface, as shown in part b. A uniform magnetic field is constant in time and is directed upward, perpendicular to the horizontal
surface. The field completely fills the region occupied by the coil in either part of the drawing. The magnitude of the magnetic field is
0.39 T. The resistance of the coil is 0.025 02, and the smaller semicircle has a radius of 0.20 m. The angular frequency at which the small
semicircle rotates is 1.3 rad/s. Determine the average current I, if any, induced in the coil as the coil changes shape from that in part a of
the drawing to that in part b. Be sure to include an explicit plus or minus sign along with your answer. Assume the counterclockwise
around the larger semicircular wire direction of current (as seen from above) positive.
1 =
i
4
(b)
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