nicholasbignuke nicholasbignuke

05-06-2023
Chemistry

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2. An electron tube has several useful purposes. What's the fundamental requirement of an electron tube? A. It must have two or more electrodes in a completely sealed container. B. It must have three or more electrodes in a closed container with gas added. C. It must have two or more electrodes in a closed container. D. It must have three or more electrodes in a closed container.

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