A TMS (transcranial magnetic stimulation) device creates very rapidly changing magnetic fields. The field near a typical
Question:
A TMS (transcranial magnetic stimulation) device creates very rapidly changing magnetic fields. The field near a typical pulsed-field machine rises from 0 T to 2.5 T in 200 μs. Suppose a technician holds his hand near the device so that the axis of his 2.0-cm-diameter wedding band is parallel to the field.
a. What emf is induced in the ring as the field changes?
b. If the band is gold with a cross-section area of 4.0 mm, what is the induced current?
Can you see why TMS technicians are advised to remove all jewelry?
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a The emf induced in the ring is given by Faradays law ddt where is the induced emf is the magnetic ...View the full answer
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Related Book For 
College Physics A Strategic Approach
ISBN: 9780321595492
2nd Edition
Authors: Randall D. Knight, Brian Jones, Stuart Field
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