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ERIC Number: EJ152240
Record Type: Journal
Publication Date: 1976
Pages: N/A
Abstractor: N/A
Reference Count: N/A
ISBN: N/A
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Thermionic Emission Experiment Using a Phototube
Pearlstein, Edgar; And Others
American Journal of Physics, 44, 12, 1184-1186, Dec 76
Describes an advanced undergraduate laboratory experiment for studying thermionic emission. The cathode of a type 922 photodiode is used as an emitter over a temperature range from room temperature to 80 degrees centigrade; the thermionic emission current varies by a factor of 3000 over this temperature range. (MLH)
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