In an avalanche , one electron ,starting at the cathode, multiplies to 1000 over a distance of 10 mm , the ionization :coefficient (a) is 0.56 ionizations /mm O 0.69 ionizations/mm O 0.2 ionizations/mm O 0.33 ionizations/mm O
In an avalanche , one electron ,starting at the cathode, multiplies to 1000 over a distance of 10 mm , the ionization :coefficient (a) is 0.56 ionizations /mm O 0.69 ionizations/mm O 0.2 ionizations/mm O 0.33 ionizations/mm O
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Transcribed Image Text:In an avalanche , one electron ,starting at
the cathode , multiplies to 1000 over a
distance of 10 mm , the ionization
:coefficient (a) is
0.56 ionizations /mm
0.69 ionizations/mm
0.2 ionizations/mm O
0.33 ionizations/mm O
The number of ionizing collisions on
average made by an electron per unit drift
: in the direction of the field is called
Statistical time lag O
Townsends first ionization collision
coefficient
Townsends second ionization collision
coefficient
Attachment coefficient
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