100W incandescent lamp to use a few watt to replace

4 answer

Incandescent lamp can be up to how much temperature

4 answer

What is the color temperature of the 25W incandescent lamp?

5 answer

What is the working principle of incandescent lamps?

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Why fluorescent lamps are more power efficient than incandescent lamps

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Does the incandescent lamp have a bad eye?

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15 watts of energy-saving lamps equal to the number of tile incandescent lamp?

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Ordinary incandescent lamp is a thin mouth or big mouth?

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What is the difference between incandescent and energy saving lamps?

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The advantages and disadvantages of incandescent lamps

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Why is the incandescent lamp made of yellow light

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Incandescent bulb tungsten wire put a small amount of red phosphorus, the reason is?

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What are the advantages of incandescent light and fluorescent lamps?

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LED bulb 5W is equivalent to the number of ordinary incandescent tile

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LED15W is equivalent to the number of incandescent bulbs W?

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Does the incandescent lamp have no eye protection?

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What are the characteristics of LED corn lamp

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The construction and working principle of incandescent lamp

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What is the power consumption of ordinary incandescent one night?

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What is the color of the incandescent lamp when it is bright?

4 answer

Energy-saving lamps and incandescent lamps which light is good

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LED bulb w can replace 40w incandescent lamp

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20W energy saving lamp is equivalent to the number of incandescent W

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Incandescent filament with a long time why it will be thinner

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Why is incandescent pear shaped?

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What are the benefits of frosted bulbs compared to ordinary light bulbs?

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What is the difference between incandescent frost and no scrub?

5 answer

What is the difference between incandescent lamp and fluorescent lamp?

5 answer

What is the color temperature of commonly used light sources, such as incandescent lamps

4 answer

Halogen lamp is not incandescent

5 answer