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| voltage that reverses direction in regular cycles |
| time taken for charge to decay to 1 over the natural logarithm of its initial value |
| photodiode (fō'tō-dī'ōd') Pronunciation Key
A diode that exhibits sensitivity to light, either by varying its electrical resistance like a photoresistor, or generating a electric potential in the manner of a photoelectric cell. See more at photoelectric. |