Let A be the vector potential and B the magnetic field of the infinite solenoid of radius R. Then 0 if Bk if B(r) = where r = √√x² + y2 is the distance to the z-axis and B is a constant that depends on the current strength I and the spacing of the turns of wire. The vector potential for B is A(r) = B BdS = Incorrect r> R r< R B(-y, x, 0) (a) Use Stokes' Theorem to compute the flux of B through a circle in the xy-plane of radius r = 6 < R. (Use symbolic notation and fractions where needed.) Br² if r> R if r < R
Let A be the vector potential and B the magnetic field of the infinite solenoid of radius R. Then 0 if Bk if B(r) = where r = √√x² + y2 is the distance to the z-axis and B is a constant that depends on the current strength I and the spacing of the turns of wire. The vector potential for B is A(r) = B BdS = Incorrect r> R r< R B(-y, x, 0) (a) Use Stokes' Theorem to compute the flux of B through a circle in the xy-plane of radius r = 6 < R. (Use symbolic notation and fractions where needed.) Br² if r> R if r < R
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Let A be the vector potential and B the magnetic field of the infinite solenoid of radius R. Then
0
={8/
B(r) =
where r = √x² + y2 is the distance to the z-axis and B is a constant that depends on the current strength I and the spacing
of the turns of wire.
The vector potential for B is
-{}
J
A(r) =
if r> R
Bk if r < R
Incorrect
BdS =
R²B (-2,2,0) if
B(-y, x, 0)
if
R
(a) Use Stokes' Theorem to compute the flux of B through a circle in the xy-plane of radius r = 6 < R.
(Use symbolic notation and fractions where needed.)
- y
Br²π
r> R
r< R
S
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