photoelectric current

См. также в других словарях:

• photoelectric current — fotosrovė statusas T sritis automatika atitikmenys: angl. photocurrent; photoelectric current vok. Photostrom, m rus. фототок, m pranc. courant photo électrique, m; photo courant, m …   Automatikos terminų žodynas

• photoelectric current — Physics. photocurrent. [1875 80] * * * …   Universalium

• photoelectric current — noun : photocurrent * * * Physics. photocurrent. [1875 80] …   Useful english dictionary

• Photoelectric efficiency — is described as the decrease in the photoelectric current as the frequency of electromagnetic radiation falling on a metal surface increases. As the frequency of the incident radiation increases with constant intensity, the number of photons in… …   Wikipedia

• photoelectric effect — Physics. the phenomenon in which the absorption of electromagnetic radiation, as light, of sufficiently high frequency by a surface, usually metallic, induces the emission of electrons from the surface. Also called photoemission. [1890 95] * * *… …   Universalium

• photoelectric cell — ► NOUN ▪ a device using a photoelectric effect to generate current …   English terms dictionary

• photoelectric cell — ☆ photoelectric cell n. a photodetector that regulates or produces a current or voltage in response to certain types of radiation, esp. visible light: typically incorporated in an electric circuit and used in mechanical devices as to open doors,… …   English World dictionary

• Photoelectric effect — The photoelectric effect is a quantum electronic phenomenon in which electrons are emitted from matter after the absorption of energy from electromagnetic radiation such as x rays or visible light.cite book | title = Physics for Scientists… …   Wikipedia

• photoelectric cell — noun a device using a photoelectric effect to generate current …   English new terms dictionary

• photoelectric — adj. marked by or using emissions of electrons from substances exposed to light. Phrases and idioms: photoelectric cell a device using this effect to generate current. Derivatives: photoelectricity n …   Useful english dictionary

• photoelectric cell — Electronics. photocell. [1890 95] * * * ▪ electronics also called  Electric Eye, Photocell, or Phototube,         an electron tube with a photosensitive cathode that emits electrons when illuminated and an anode for collecting the emitted… …   Universalium