Which one of the following statements describes the operation of a gas-filled radiation detector operating in the proportional region?
A. The number of ions collected from both primary and secondary ionizations is independent of the applied voltage.
B. Essentially all of the ions from primary ionizations are collected; the number of ions collected from secondary ionizations is independent of the applied voltage.
C. The number of ions collected from both primary and secondary ionizations varies directly with the applied voltage on a logarithmic scale.
D. Essentially all of the ions from primary ionizations are collected; the number of ions collected from secondary ionizations varies directly with the applied voltage on a logarithmic scale.
Show Answer
Answer: D
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