Answered: Medical devices implanted inside the…

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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Question

Medical devices implanted inside the body are often
powered using transcutaneous energy transfer (TET),
a type of wireless charging using a pair of closely spaced
coils. An emf is generated around a coil inside the body
by varying the current through a nearby coil outside the
body, producing a changing magnetic flux. Calculate the
average induced emf if each 10-turn coil has a radius of
1.50 cm and the current in the external coil varies from its
maximum value of 10.0 A to zero in 6.25 x 10^-6 s. (Hint:
Recall from Topic 19 that the magnetic field at the center
of the current-carrying external coil is

B=Nµ₀I / 2R
. Assume
this magnetic field is constant and oriented perpendicular
to the internal coil.)

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