A steady current of 700 µA flows through the plane electrode separated by a distance of 0.6 cm when a voltage of 15 kV is applied. Determine the Townsend's first ionization coefficient if a current of 70 µA flows when the distance of separation is reduced to 0.2 cm and the field is kept constant at the previous value.

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LA steady current of 700 µA flows through the plane electrode
separated by a distance of 0.6 cm when a voltage of 15 kV is
applied. Determine the Townsend's first ionization coefficient if a
current of 70 µA flows when the distance of separation is reduced
to 0.2 cm and the field is kept constant at the previous value.
Transcribed Image Text:LA steady current of 700 µA flows through the plane electrode separated by a distance of 0.6 cm when a voltage of 15 kV is applied. Determine the Townsend's first ionization coefficient if a current of 70 µA flows when the distance of separation is reduced to 0.2 cm and the field is kept constant at the previous value.
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