калем

калем

Windings of copper or aluminum wire surrounding the steel core in ballast. Also refers to the entire assembly comprising the inductor or transformer.

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Branche/domæne: Lights & lighting
Category: Lighting products
Company: GE
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калем предива

Textiles; Manufactured fibers

A textured yarn that takes on a coil or spiral configuration when further processed. A coil yarn can be either a torque yarn or a nontorque yarn. A coil yarn can be formed by the ...

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Physics; General physics

Part of a transformer; a coil of wire that is connected to a source of alternating current .

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Physics; General physics

Part of a transformer, a coil of wire in which the voltage of the original alternating current in the primary coil is stepped up or down by way of electromagnetic induction.

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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 ...

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Lights & lighting; Lighting products

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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 ...

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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.

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Lights & lighting; Lighting products

See SPECTRAL POWER DISTRIBUTION (SPD).

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Branche/domæne: History Category: World history

Мадрас

Индијска лука у Бенгалском заливу. Енглеска је изградила упориште тамо 1639-40, из којег је Источна Индијска компанија проширила своју контролу над ...