An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 1.90 T field with his fingers pointing in the direction of the field. His wedding ring has a diameter of 2.11 cm, and it takes 0.320 s to move it into the field. (a) What average current is induced in the ring if its resistance is 0.0100 Q? (Enter the magnitude in amperes.) 0.652 (b) What average power is dissipated (in W)? 4.25e-4 (c) What average magnetic field is induced at the center of the ring? (Enter the magnitude in teslas.) 3.88e-5 (d) What is the direction of this induced magnetic field relative to the MRI's field? O parallel O antiparallel O The magnitude is zero.

An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 1.90 T field with his fingers pointing in the direction of the field. His wedding ring has a diameter of 2.11 cm, and it takes 0.320 s to move it into the field. (a) What average current is induced in the ring if its resistance is 0.0100 Q? (Enter the magnitude in amperes.) 0.652 (b) What average power is dissipated (in W)? 4.25e-4 (c) What average magnetic field is induced at the center of the ring? (Enter the magnitude in teslas.) 3.88e-5 (d) What is the direction of this induced magnetic field relative to the MRI's field? O parallel O antiparallel O The magnitude is zero.

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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