Current Attempt in Progress The magnitude J(r) of the current density in a certain cylindrical wire is given as a function of radial distance from the center of the wire's cross section as J(r) = Br, where r is in meters, J is in amperes per square meter, and B = 2.24 x 10 A/m3. This function applies out to the wire's radius of 2.00 mm. How much current is contained within the width of a thin ring concentric with the wire if the ring has a radial width of 11.5 um and is at a radial distance of 1.25 mm? Number Units
Current Attempt in Progress The magnitude J(r) of the current density in a certain cylindrical wire is given as a function of radial distance from the center of the wire's cross section as J(r) = Br, where r is in meters, J is in amperes per square meter, and B = 2.24 x 10 A/m3. This function applies out to the wire's radius of 2.00 mm. How much current is contained within the width of a thin ring concentric with the wire if the ring has a radial width of 11.5 um and is at a radial distance of 1.25 mm? Number Units
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Transcribed Image Text:Current Attempt in Progress
The magnitude J(r) of the current density in a certain cylindrical wire is given as a function of radial distance from the center of the
wire's cross section as J(r) = Br, where r is in meters, J is in amperes per square meter, and B = 2.24 x 105 A/m3. This function applies out
to the wire's radius of 2.00 mm. How much current is contained within the width of a thin ring concentric with the wire if the ring has a
radial width of 11.5 um and is at a radial distance of 1.25 mm?
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i
Units
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