Question: 1. [20 pts] Consider a plasma flow subjected to constant axial electric and radial magnetic fields in an annular region as shown in the

1. [20 pts] Consider a plasma flow subjected to constant axial electric

1. [20 pts] Consider a plasma flow subjected to constant axial electric and radial magnetic fields in an annular region as shown in the figure below. The ions move with the neutral gas in axial direction at same velocity u = 11000 m/s, E = 25000 V/m, B, 200 G, electron number density n = 5-10 cm, electron temperature Te = 12 eV, neutral gas density ng = 1.3-103 cm, and electron-gas collision frequency veg 2.5-107 s. Estimate the total current density components jz, jr, and je. Br r NA Br Ez Ez U

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