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Physics 9 Online
OpenStudy (anonymous):

why the surface of fluorescent tube is not so hot?

OpenStudy (nincompoop):

because it wasn't on? LOL

OpenStudy (anonymous):

dont make fun plzzzzzz

OpenStudy (anonymous):

please tell me the reason.

OpenStudy (nincompoop):

have you read anything about cold-cathode? it's your path to knowing the reason

OpenStudy (anonymous):

ok thanks

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