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катодни отпор

Resistance of the cathode in a Fluorescent lamp. It is measured "cold" before the lamp is turned on (Rc) or "hot" after the lamp is turned on (Rh). The ratio of the hot resistance to the cold resistance is also measured (Rh/Rc).

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отпор
Education; SAT vocabulary

Супротстављање, пружање супротног напора или ефекта.

отпор
Education; SAT vocabulary

Императивно или неочекивано одбацивање или одбијање напредовања или другачијег приступа.

отпор
Electrical equipment; Power supplies

Property of a conductor that determines the current produced by a given difference of potential. The ohm is the practical unit of resistance.

радни напон
Lights & lighting; Lighting products

For electrical discharge lamps, this is the voltage measured across the discharge when the lamp is operating. It is governed by the contents of the chamber and is somewhat ...

фосфор
Lights & lighting; Lighting products

An inorganic chemical compound processed into a powder and deposited on the inner glass surface of fluorescent tubes and some mercury and metal-halide lamp bulbs. Phosphors are ...

фактор снаге
Lights & lighting; Lighting products

Measurement of the relationship between the AC source voltage and current. High power factor ballasts require less AC operating current at the same wattage than an equivalent low ...

зрачење
Lights & lighting; Lighting products

A general term for the release of energy in a "wave" or "ray" form. All light is radiant energy or radiation, as is heat, UV, microwaves, radio waves, etc.

рефлексија
Lights & lighting; Lighting products

The ratio of light reflected from a surface to that incident upon it.

спектар
Lights & lighting; Lighting products

See SPECTRAL POWER DISTRIBUTION (SPD).

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