An ordinary gold wedding ring is tossed end over end into a running MRI machine with a 4.0 T field. The ring spends 1.2 s in the field, during which it completes 60 full rotations. If the ring has a resistance of 6.0 2 and a diameter of 19 mm, what is the average power Pavg dissipated by the ring? Pavg TOOLS x10 W

An ordinary gold wedding ring is tossed end over end into a running MRI machine with a 4.0 T field. The ring spends 1.2 s in the field, during which it completes 60 full rotations. If the ring has a resistance of 6.0 2 and a diameter of 19 mm, what is the average power Pavg dissipated by the ring? Pavg TOOLS x10 W

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 60P: Assume that global lightning on the Earth constitutes a constant current of 1.00 kA between the...

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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

An ordinary gold wedding ring is tossed end over end into a running MRI machine with a 4.0 T field. The ring spends 1.2 s in
the field, during which it completes 60 full rotations.
If the ring has a resistance of 6.02 and a diameter of 19 mm,
what is the average power Pavg dissipated by the ring?
Pave
TOOLS
ΣΤΟΥ
W

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