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An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field. (a) Find the average emf induced in his wedding ring, given its diameter is 2.23 cm and assuming it takes 0.254 s to move it into the field. 3.35 What is the magnitude of the change in flux? How is the induced emf related to the change in flux? mv (b) If the resistance of the ring is 1.00 mn, how much heat will be transferred to the ring during this time? 2.84 How much power is associated with this emf? How is energy related to power? m)

An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field. (a) Find the average emf induced in his wedding ring, given its diameter is 2.23 cm and assuming it takes 0.254 s to move it into the field. 3.35 What is the magnitude of the change in flux? How is the induced emf related to the change in flux? mv (b) If the resistance of the ring is 1.00 mn, how much heat will be transferred to the ring during this time? 2.84 How much power is associated with this emf? How is energy related to power? m)

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An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field. (a) Find the average emf induced in his wedding ring, given its diameter is 2.23 cm and assuming it takes 0.254 s to move it into the field. 3.35 What is the magnitude of the change in flux? How is the induced emf related to the change in flux? mv (b) If the resistance of the ring is 1.00 mn, how much heat will be transferred to the ring during this time? 2.84 How much power is associated with this emf? How is energy related to power? m)
Transcribed Image Text:An MRI technician moves his hand from a region of very low magnetic field strength into an MRI scanner's 2.00-T field with his fingers pointing in the direction of the field. (a) Find the average emf induced in his wedding ring, given its diameter is 2.23 cm and assuming it takes 0.254 s to move it into the field. 3.35 What is the magnitude of the change in flux? How is the induced emf related to the change in flux? mv (b) If the resistance of the ring is 1.00 mn, how much heat will be transferred to the ring during this time? 2.84 How much power is associated with this emf? How is energy related to power? m)
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