Find the energy per unit length stored in a cylindrical volume of inner and outer radii a and b, respectively if the external magnetic field is given by B = Bor2 where Bọ is a constant and r is the cylindrical radial coordinate (40 is the permeability of free space).
Find the energy per unit length stored in a cylindrical volume of inner and outer radii a and b, respectively if the external magnetic field is given by B = Bor2 where Bọ is a constant and r is the cylindrical radial coordinate (40 is the permeability of free space).
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Transcribed Image Text:Find the energy per unit length stored in a cylindrical volume of inner and
outer radii a and b, respectively if the external magnetic field is given by B =
Bor2 where Bo is a constant and r is the cylindrical radial coordinate (to is the
permeability of free space).
Select one:
A Bố (16 – a°)
– a®)
6μο
TBố (15 – a°)
5µ0
° (b² – a")
7μο
TBố (18 – a®)
8μο
TBổ ( – a*)
-
4µo
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