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| photoconductive cell | |||
| interference filter | |||
| photoconductive cell (it is composed of a body semiconductor whose conductivity increases on exposure to light, plus electrodes attached to opposite ends or sides of this body); resistance element | |||
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| photo-conductive cell; photoelectric cell; photo-resistor | |||
| Widerstandszelle: 1 phrase in 1 subject |
| Physics | 1 |