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23 Nov 2019
The current density in a cylindrical conductor of radius R = 42.3cm, varies as J(r) = J0r/R (in the region from zero to R), where J0= 0.439 C/m2.
a) Find the magnitude of the magnetic field at r = 21.15 cm.
b) Find the magnitude of the magnetic field at r = 84.6 cm.
The current density in a cylindrical conductor of radius R = 42.3cm, varies as J(r) = J0r/R (in the region from zero to R), where J0= 0.439 C/m2.
a) Find the magnitude of the magnetic field at r = 21.15 cm.
b) Find the magnitude of the magnetic field at r = 84.6 cm.