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12. The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be A. accelerated toward the cathode. B. accelerated toward the anode. C. attracted to the cathode instead of the grid. D. attracted to the anode instead of the grid.
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The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be attracted to the anode instead of the grid.
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Asked 4/16/2018 1:47:06 PM
Updated 10/23/2019 1:46:36 PM
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The grid in a high-vacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be attracted to the anode instead of the grid.
Added 10/23/2019 1:46:36 PM
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1. A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is A. 7.5 V. B. 0.3 V. C. 1.5 V. D. 5.0 V.
Question
Updated 9/14/2018 11:00:49 PM
1 Answer/Comment
A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is 7.5 V.
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Added 9/14/2018 11:00:49 PM
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Added 60 days ago|10/2/2020 7:21:15 PM
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If a bar of copper is brought near a magnet, the copper bar will be unaffected by the magnet.
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