MRI: Magnetic resonance imaging (MRI) uses a very strong magnet to create an image. The maximum strength of the magnetic field is 1.5 T. Because the magnet is switched on and off quickly, it can induce large eddy currents in metal objects. Suppose a patient is wearing a metal ring with a radius of 1.4 cm and a mass of 110 g Such a ring has a resistance of about 0.016 N. If the magnet in the MRI rises from 0T to its maximum strength of 1.5 T in 1.94 ms, what is the maximum current that could be induced in the ring?

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MRI: Magnetic resonance imaging (MRI) uses a very strong magnet to create an
image. The maximum strength of the magnetic field is 1.5 T. Because the magnet is
switched on and off quickly, it can induce large eddy currents in metal objects.
Suppose a patient is wearing a metal ring with a radius of 1.4 cm and a mass of 110 g.
Such a ring has a resistance of about 0.016 N.
If the magnet in the MRI rises from 0T to its maximum strength of 1.5 Tin 1.94 ms,
what is the maximum current that could be induced in the ring?
Transcribed Image Text:MRI: Magnetic resonance imaging (MRI) uses a very strong magnet to create an image. The maximum strength of the magnetic field is 1.5 T. Because the magnet is switched on and off quickly, it can induce large eddy currents in metal objects. Suppose a patient is wearing a metal ring with a radius of 1.4 cm and a mass of 110 g. Such a ring has a resistance of about 0.016 N. If the magnet in the MRI rises from 0T to its maximum strength of 1.5 Tin 1.94 ms, what is the maximum current that could be induced in the ring?
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