S N Sen
Articles written in Pramana – Journal of Physics
Volume 8 Issue 3 March 1977 pp 292-301 Molecular Physics
The breakdown of a gas excited by a radio frequency voltage of frequency 5.6 MHz has been studied in a cylindrical discharge tube 7.2 cm long and 2.9 cm in dia and fitted with two internal electrodes at a distance of 2.5 cm in hydrogen, oxygen and air within the pressure range of a few microns to 2 torr in the presence of a longitudinal magnetic field varying from zero to 800 G. Experimental results indicate that the breakdown is diffusion controlled and the values of (
Volume 26 Issue 3 March 1986 pp 205-213 Spectroscopy
Enhancement of spectral intensities of mercury triplet lines in longitudinal magnetic field
The variation of intensity of the spectral lines of the triplet series of mercury namely (73
Volume 30 Issue 2 February 1988 pp 143-151 Plasma Physics
Voltage current and power relation in an arc plasma in a variable axial magnetic field
The variation of voltage, current and output power in a mercury arc plasma has been investigated in an axial magnetic field (0–1350 G) for three values of discharge current namely 3, 4 and 5 A. The voltage increases and current decreases almost linearly and the output power also increases with increase of the magnetic field. The conductivity value in magnetic field has been calculated and an analytical expression presented to represent the variation of conductivity in the magnetic field. Utilizing this expression the variation of output power with magnetic field can be explained.
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