Mindy needs the apparatus to be able to detect a change in area as small as 4.50 cm² occuring over a time period of 1.50 s. If the minimum emf that can be reliably detected is 2.00 x 10 V, what is the magnitude of the minimum external magnetic field that would be needed from the solenoid? magnitude of minimum external magnetic field: Due to practical constraints, the largest magnetic field that the solenoid can actually produce is 3.50 x 10 T. Mindy decides to compensate by using multiple loops of the conductive material in series. How many conductive loops should be in the chest band? minimum number of conductive loops:

Mindy needs the apparatus to be able to detect a change in area as small as 4.50 cm² occuring over a time period of 1.50 s. If the minimum emf that can be reliably detected is 2.00 x 10 V, what is the magnitude of the minimum external magnetic field that would be needed from the solenoid? magnitude of minimum external magnetic field: Due to practical constraints, the largest magnetic field that the solenoid can actually produce is 3.50 x 10 T. Mindy decides to compensate by using multiple loops of the conductive material in series. How many conductive loops should be in the chest band? minimum number of conductive loops:

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Patients undergoing an MRI occasionally report seeing flashes of light. Some practitioners assume that this results from electric stimulation of the eye by the emf induced by the rapidly changing fields of an MRI solenoid. We can do a quick calculation to see if this is a reasonable assumption. The human eyeball has a diameter of approximately 25 mm. Rapid changes in current in an MRI solenoid can produce rapid changes in field, with ΔB/Δt as large as 50 T/s. What emf would this induce in a loop circling the eyeball? How does this compare to the 15 mV necessary to trigger an action potential?
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Problem 17:
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