5. A long copper wire carries a current of 20A which is evenly distributed in each cross-section of the wire. If the diameter of the wire is 4 mm, and the resistance per unit length is 5 N /km, calculate the energy density of the magnetic and electric fields on the surface of the wire!
5. A long copper wire carries a current of 20A which is evenly distributed in each cross-section of the wire. If the diameter of the wire is 4 mm, and the resistance per unit length is 5 N /km, calculate the energy density of the magnetic and electric fields on the surface of the wire!
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Please solve with the full step Please don't do it on paper, I'm afraid I can't read your writing. Thank u
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