A proportional detector with pulse height discrimination circuitry is being used in a constant field of neutron and gamma radiation to provide source range neutron count rate indication.
Assume the pulse height discrimination value does not change.
If the detector voltage is increased significantly, but maintained within the proportional region, the detector count rate indication will __________; and the detector will become __________ susceptible to the positive space charge effect.
A. increase; less
B. increase; more
C. remain the same; less
D. remain the same: more
Show Answer
Answer: B
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