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Summary
DescriptionIonisation chamber made by Pierre Curie, c 1895-1900. (9660571297).jpg
English: This device was developed by Curie (1859-1906) for radioactivity investigations. It includes a positive and negative plate connected by an electrometer, and the air within the chamber is ionised by radiation. The breakdown of air molecules into positive and negative ion pairs allows them to act as carriers of electric current. Negative ions migrate to the positive plate and positive ions to the negative plate, causing an electric current to flow. The level of radioactivity determines the current's strength.
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Image title
This device was developed by Curie (1859-1906) for radioactivity investigations. It includes a positive and negative plate connected by an electrometer, and the air within the chamber is ionised by radiation. The breakdown of air molecules into positive and negative ion pairs allows them to act as carriers of electric current. Negative ions migrate to the positive plate and positive ions to the negative plate, causing an electric current to flow. The level of radioactivity determines the current's strength.
Author
Science Museum
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Source
ATMC100091
Online copyright statement
www.nmsi.ac.uk/piclib/
Short title
Ionisation chamber made by Pierre Curie, c 1895-1900.