Which of the following is NOT a step in the operation of a Geiger counter?
Choose one answer.
a. Nuclear radiation ionizes gas in a tube.
b. Ionized gas produces an electric current.
c. Magnets cause the ions to conduct electricity.
d. The electric current is detected and measured.
The best and most correct answer among the choices provided by your question is the fourth choice or letter D.
Electric current being detected and measured is not a process in the operation of a Geiger counter.
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