Thread: How to light up a Crookes tube?
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Old 08-08-2007, 10:26 AM
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electronjohn electronjohn is offline
I like....big sparks!!
  
Join Date: Jan 2006
Location: minnesota
Posts: 652
I recall playing with one in HS physics...seem to remember about 3-4kV doing the job. Much higher voltages would probably emit x-rays.
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