Consider a thin, straight wire carrying a constant current I and placed along the x axis as shown in Figure 30.3. Determine the magnitude and direction of the magnetic field at point P due to this current.
Consider a thin, straight wire carrying a constant current I and placed along the x axis as shown in Figure 30.3. Determine the magnitude and direction of the magnetic field at point P due to this current.
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Question
Transcribed Image Text:|ds|= dx P
ds
10
a
(a)
P
01
02
I
X
(b)
Figure 30.3
(Example 30.1) (a) A thin,
straight wire carrying a current I. The mag
netic field at point P due to the current in
each element ds of the wire is out of the
page, so the net field at point P is also out
of the page. (b) The angles 0₁ and ₂ used
for determining the net field.
Transcribed Image Text:EXAMPLE 30.1 Magnetic Field Surrounding a Thin, Straight Conductor
Consider a thin, straight wire carrying a constant current I and placed along
the x axis as shown in Figure 30.3. Determine the magnitude and direction of
the magnetic field at point P due to this current.
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