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17. (II) Calculate the magnetic and electric energy densities at the surface of a 3.0-mm-diameter copper wire carrying a
Posted: Sat Jul 09, 2022 12:07 pm
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- 17 Ii Calculate The Magnetic And Electric Energy Densities At The Surface Of A 3 0 Mm Diameter Copper Wire Carrying A 1 (16.3 KiB) Viewed 27 times
17. (II) Calculate the magnetic and electric energy densities at the surface of a 3.0-mm-diameter copper wire carrying an 18-A current. [Hint: Do not ignore resistance of the wire.] 18. (II) For the toroid of Fig. 30-26 , determine the energy density in the magnetic field as a function of r (r₁ <r<r2) and integrate this over the volume to obtain the total energy stored in the