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Which of the following is NOT a step in the operation of a Geiger counter?
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.

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"Magnets cause the ions to conduct electricity" is the statement among the following statements that is not a step in the operation of a Geiger counter. The correct option among all the options that are given in the question is the third option or option "c". I hope the answer comes to your help.

Answer: C. Magnets cause the ions to conduct electricity.

Explanation:  

A Geiger counter is used to detect radioactive decay such as gamma rays, beta particles. It is made up of a tube which consists of gas. The ends of the tube are anode and cathode. The radioactive decay ionizes the gas. Ionized gas produces an electric current which is detected and measured.

Thus, C. Magnets cause the ions to conduct electricity is not a step in operation of a Geiger counter.

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