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Sabu Thomas
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Jan 23, 2006, 12:05 pm
What is ionization chamber? 
What is ionization chamber? 

   
   

Answers  (1)


sumesh kumar 		Jan 23, 2006,12:06 pm
This is an air-filled chamber with an electrically conductive inner wall and central anode and a relatively low applied voltage. When primary ion pairs are formed in the air volume, from x-ray or gamma radiation interactions in the chamber wall, the central anode collects the electrons and a small current is generated. This in turn is measured by an electrometer circuit and displayed digitally or on an analog meter.