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in this exp. when pressure is reduced to 0.o1...why current starts flowing between the electrodes and why coloured glow is observed . when the pressure is further reduced to about 0.0001.....why glow between the electrodes disapears but the current continues to flow.

in this exp. when pressure is reduced to 0.o1...why current starts flowing between the electrodes and why coloured glow is observed .


when the pressure is further reduced to about 0.0001.....why glow between the electrodes disapears but the current continues to flow.

Grade:12

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