arc back

arc-back

[ahrk-bak]
noun Electronics.
an undesirable phenomenon, occurring in rectifier tubes, in which current flows in the reverse direction, from anode to cathode, as a result of arcing, limiting the usable voltage of the tube.
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00:10
Arc back is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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