at a pressure of 3 tom electrodes 5 cm apart.

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3- The first ionization coefficient a for a certain gas is given
approximately by a/p = 14 exp (- 240p/E) where p is the pressure in
torr and E the electric field in V/cm. Find the value of E for maximum
electron multiplication at a pressure of 3 torr and the multiplication
then obtained between electrodes 5 cm apart.
Transcribed Image Text:3- The first ionization coefficient a for a certain gas is given approximately by a/p = 14 exp (- 240p/E) where p is the pressure in torr and E the electric field in V/cm. Find the value of E for maximum electron multiplication at a pressure of 3 torr and the multiplication then obtained between electrodes 5 cm apart.
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