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A cathode ray is: a beam of electrons electromagnetic radiation a beam of alpha particles an evacuated glass tube
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Asked 2/1/2013 9:42:05 AM
Updated 2/1/2013 9:59:01 AM
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User: A cathode ray is: a beam of electrons electromagnetic radiation a beam of alpha particles an evacuated glass tube

Question
Asked 2/1/2013 9:42:05 AM
Updated 2/1/2013 9:59:01 AM
1 Answer/Comment
Flagged by andrewpallarca
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A cathode ray is: a beam of electrons.
Added 2/1/2013 9:59:01 AM
This answer has been confirmed as correct and helpful.
Confirmed by jay901 [1/29/2014 10:53:28 AM]
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A patent is a right granted to the owner of an invention to prevent others from making, using, importing or selling the invention without his permission.

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A positive charge means: a. surplus of electrons b. lack of electrons c. excess atoms d. gained protons
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