Physics, 21.11.2019 05:31, angelashaw449

Alength of copper wire carries a current of 14 a, uniformly distributed through its cross section. the wire diameter is 2.5 mm, and its resistance per unit length is 3.3 /km.

a) what is the energy density of the magnetic field at the surface of the wire in j/m^3 ?

b)of the electric field?

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Alength of copper wire carries a current of 14 a, uniformly distributed through its cross section. t...