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QRZ Trivia Quiz for 2026-01-25
Which of the following is NOT a type of vacuum tube?
A: Rhumbatron
B: Magnetron
C: Corotron
D: Compactron
Choose an answer from above...
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You're welcome to stick around and try a few trivia questions but your progress will not be tracked and you will not be entered into the sweepstakes.