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The power transfer to the tungsten anode and the cadmium or zinc cathode of an arc in nitrogen is measured, for currents of 2, 3 and 4 A and voltages of 9 to 20 V. The power balance equations are solved to calculate the positive-ion current to the cathode, the electric field and the electron energy in the plasma column, and the anode fall voltage.
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Brian Capp (1972) studied this question.
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