Chapter 23: Question 5: 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. His wedding ring has a diameter of 2.05 cm and it takes 0.475 s to move it into the field. Randomized Variables d = 2.05 cm t = 0.475 s a) What average current is induced in the ring in A if its resistance is 0.0100 Ω?  b) What average power is dissipated in mW?  c) What magnetic field is induced at the center of the ring in T?

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Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies
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Problem 9PE: (a) An MRI technician moves his hand from a region of very low magnetic field strength into an MRI...
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Chapter 23: Question 5: 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. His wedding ring has a diameter of 2.05 cm and it takes 0.475 s to move it into the field.

Randomized Variables

d = 2.05 cm

t = 0.475 s

a) What average current is induced in the ring in A if its resistance is 0.0100 Ω? 

b) What average power is dissipated in mW? 

c) What magnetic field is induced at the center of the ring in T? 

 

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