In an experiment in a certain gas it was found that the steady state current is 6 x 10 -8 A at 10 kV at a distance of 0.3 cm between the plane electrodes. Keeping the field constant and reducing the distance to 0.15 cm results in a current of 6 x 10 -9A. Calculate Townsend's primary ionization coefficient α

Delmar's Standard Textbook Of Electricity
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ISBN:9781337900348
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Chapter19: Capacitors
Section: Chapter Questions
Problem 3RQ: A capacitor uses air as a dielectric and has a capacitance of 3 F. A dielectric material is inserted...
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In an experiment in a certain gas it was found that the steady state current is 6 x 10
-8 A
at 10 kV at a distance of 0.3 cm between the plane electrodes.
Keeping the field constant and reducing the distance to 0.15 cm results in a current of
6 x 10
-9A. Calculate Townsend's primary ionization coefficient α

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