7. the grid in a triode is kept negatively charged to prevent a. electrons from escaping from the tube containing the triode. b. electrons being repelled back to the cathode. c. the electrons from being attracted to the grid instead of the anode. d. the variations in voltage from getting too large.

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7. the grid in a triode is kept negatively charged to prevent a. electrons from escaping from the tube containing the triode. b. electrons being repelled back to the cathode. c. the electrons from being attracted to the grid instead of the anode. d. the variations in voltage from getting too large.

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A. Electrons escaping from the tube containing the trinity.

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Explanation: