A typical magnitude of the external magnetic field in a cardiac catheter ablation procedure using remote magnetic navigation is B = 0.080 T. Suppose that the permanent magnet in the catheter used in the procedure is inside the left atrium of the heart and subject to this external magnetic field. The permanent magnet has a magnetic moment of 0.15 A . m². The orientation of the permanent magnet is 20° from the direction of the external magnetic field lines. (a) What is the magnitude of the torque on the tip of the catheter containing this permanent magnet? mN. m (b) What is the potential energy of the system consisting of the permanent magnet in the catheter and the magnetic field provided by the external magnets? m]

A typical magnitude of the external magnetic field in a cardiac catheter ablation procedure using remote magnetic navigation is B = 0.080 T. Suppose that the permanent magnet in the catheter used in the procedure is inside the left atrium of the heart and subject to this external magnetic field. The permanent magnet has a magnetic moment of 0.15 A . m². The orientation of the permanent magnet is 20° from the direction of the external magnetic field lines. (a) What is the magnitude of the torque on the tip of the catheter containing this permanent magnet? mN. m (b) What is the potential energy of the system consisting of the permanent magnet in the catheter and the magnetic field provided by the external magnets? m]

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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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

A typical magnitude of the external magnetic field in a cardiac catheter ablation procedure using remote magnetic navigation
is B = 0.080 T. Suppose that the permanent magnet in the catheter used in the procedure is inside the left atrium of the
heart and subject to this external magnetic field. The permanent magnet has a magnetic moment of 0.15 A . m². The
orientation of the permanent magnet is 20° from the direction of the external magnetic field lines.
(a) What is the magnitude of the torque on the tip of the catheter containing this permanent magnet?
mN. m
(b) What is the potential energy of the system consisting of the permanent magnet in the catheter and the magnetic
field provided by the external magnets?
m]

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