An infinitely long, straight, cylindrical wire of radius R has a uniform current density J = Jž in cylindrical coordinates. What is the magnitude of the magnetic field at some point inside the wire at a distance r; < R from the wire's central Cross-sectional view axis? Express your answer in terms of R, ri, 4o, and J. J B = Side view Assuming J is positive, what is the direction of the magnetic field at some point inside the wire? positive z-direction negative z-direction positive r-direction negative r-direction positive d-direction O negative d-direction
An infinitely long, straight, cylindrical wire of radius R has a uniform current density J = Jž in cylindrical coordinates. What is the magnitude of the magnetic field at some point inside the wire at a distance r; < R from the wire's central Cross-sectional view axis? Express your answer in terms of R, ri, 4o, and J. J B = Side view Assuming J is positive, what is the direction of the magnetic field at some point inside the wire? positive z-direction negative z-direction positive r-direction negative r-direction positive d-direction O negative d-direction
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Transcribed Image Text:An infinitely long, straight, cylindrical wire of radius R has a
uniform current density J = Jî in cylindrical coordinates.
What is the magnitude of the magnetic field at some point
inside the wire at a distance r; < R from the wire's central
Cross-sectional view
axis? Express your answer in terms of R, r;, µo, and J.
J
B =
Side view
Assuming J is positive, what is the direction of the
magnetic field at some point inside the wire?
O positive z-direction
negative z-direction
positive r-direction
negative r-direction
positive p-direction
negative p-direction
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