Origin of photocell
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Examples from the Web for photocell
Historical Examples of photocell
A fast reading with the photocell gave me the apparent magnitude and a comparison with its absolute magnitude showed its distance.The Repairman
a device in which the photoelectric or photovoltaic effect or photoconductivity is used to produce a current or voltage when exposed to light or other electromagnetic radiation. They are used in exposure meters, burglar alarms, etcAlso called: photoelectric cell, electric eye
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