The filament of an incandescent lamp has a 150-V
Chapter 34, Problem 33(choose chapter or problem)
The filament of an incandescent lamp has a 150-V resistance and carries a direct current of 1.00 A. The filament is 8.00 cm long and 0.900 mm in radius. (a) Calculate the Poynting vector at the surface of the filament, associated with the static electric field producing the current and the currents static magnetic field. (b) Find the magnitude of the static electric and magnetic fields at the surface of the filament.
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