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1
Competition Science Vision
Finally the photo current is given by / = ne where e is charge of an electron (e = 1
.6 x 10~19 C). Photoelectric Cell or Photo Cell A device which converts light
energy into electrical energy is known as a photoelectric cell. Types of
Photoelectric ...
2
Field and Depot Maintenance Manual: Meter, Photographic ...
Cover the baffle end of the exposure meter closely with an opaque material so
that no light can strike the photoelectric cell. Hold the exposure meter in a
horizontal position. Watch the lightmeter pointer and slowly rotate the exposure
meter ...
3
Academic Press Dictionary of Science and Technology
... or ultraviolet radiation. photoelectric door opener Control Systems, a control
system that uses a photoelectric cell as part of a device that opens and closes a
power-driven door. photoelectric effect Physics, a phenomenon in which
electrons ...
Christopher G. Morris,
1992
4
Pharmaceutical Compounding and Dispensing
Photoelectric counters The item to be counted is poured through a hopper at the
top of the machine, and as the dosage form passes down it interrupts the
passage of a light to a photoelectric cell. The main limitation with this type of
tablet ...
John Marriott, Keith Wilson, Christopher A. Langley,
2006
5
German Technical Dictionary
<Strahlphys> photoresistor Photozelle f1. <Comp & DV> photocell,
phototransistor; 2. <Druck> photocell, photoelectric cell (PEC); 3. <Elektriz,
Elektronik, Elektrotech, Fernseh> photocell; photoelectric cell (PEC);
photoelectric tube, phototube, ...
6
Routledge Diccionario Técnico Inglés
energetica secundaria / transp secondary fuel cell; - del exposimetro / Foto meter
cell; - fotoconductiva / electron, Fis photoconductive cell; - fotoelectrica / cinemat
photocelL photoelectric cell iPEC), elec photocelL photoelectric cell iPEC), ...
7
Scientific Papers of Arthur Holly Compton: X-Ray and Other ...
PHOTOELECTRIC PHOTOMETER 29 the first place the currents which pass
through a photoelectric cell when illuminated to the extent customary in lamp
photometry are of the order of only about lo11 amperes, which is too small to be ...
Arthur Holly Compton,
1973
8
A History of Control Engineering, 1930-1955
It is therefore not surprising that the thyratron and the photoelectric cell were seen
to have wide application. The photoelectric cell, the 'magic eye', was seen as
adding sight to automatic devices and bringing with it 'a vast range of future ...
9
Encyclopedia of Security Management: Techniques and Technology
The columnated beam was projected onto a photoelectric cell in the receiver. The
photoelectric cell converted radiant energy into an electrical signal that was
amplified for the detector processor. In actual application, the photoelectric
detector ...
10
Bureau of Standards journal of research
That is to say, the constancy of the scale reading of the microammeter, when
used in connection with the radio amplifier (but separate from the photoelectric
cell), is determined by means of an auxiliary electrical circuit (consisting of a
voltmeter, ...
United States. National Bureau of Standards,
1934