Find the energy per unit length stored in a eylindrical volume of inner and outer radii a and b, respectively if the external magnetic field is given by B- Bor where Bo is a constant and r is the cylindrical radial coordinate (ro is the permeability of free spaee). Seect one
Find the energy per unit length stored in a eylindrical volume of inner and outer radii a and b, respectively if the external magnetic field is given by B- Bor where Bo is a constant and r is the cylindrical radial coordinate (ro is the permeability of free spaee). Seect one
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Transcribed Image Text:Find the energy per unit length stored in a cylindrical volume of inner and
onter radii a and b, respeetively if the external magnetic fiekl is given by B =
Bor? where Bo is a constant and r is the cylindrical radial coordinate (po is the
permeability of free space).
Select one:
B - a)
4po
B -a)
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