The body contains many small currents caused by the motion of ions in the organs and cells. Measurements of the magnetic field around the chest due to currents in the heart give values of about 1.1 μG. Although the actual currents are rather complicated, we can gain a rough understanding of their magnitude if we model them as a long, straight wire. If the surface of the chest is 5.40 cm from this current, how large is the current in the heart? Express your answer with the appropriate units. ■ xa μА Xb a b X.10n XI ?
The body contains many small currents caused by the motion of ions in the organs and cells. Measurements of the magnetic field around the chest due to currents in the heart give values of about 1.1 μG. Although the actual currents are rather complicated, we can gain a rough understanding of their magnitude if we model them as a long, straight wire. If the surface of the chest is 5.40 cm from this current, how large is the current in the heart? Express your answer with the appropriate units. ■ xa μА Xb a b X.10n XI ?
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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Transcribed Image Text:The body contains many small currents caused by
the motion of ions in the organs and cells.
Measurements of the magnetic field around the
chest due to currents in the heart give values of
about 1.1 μG. Although the actual currents are
rather complicated, we can gain a rough
understanding of their magnitude if we model them
as a long, straight wire.
Part A
If the surface of the chest is 5.40 cm from this current, how large is the current in the heart?
Express your answer with the appropriate units.
xa
O
μA
مات
a
Xb b
●
X.10n X
?
Expert Solution
Step 1
Given,
Distance, r = 5.40 cm = 0.054 m
Magnetic field, B = 1.1 µG = 1.1 x 10-10 T
Now,
Magnetic field due to straight wire is given by:
B =
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