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Question:

25W tungsten bulb power consumption?

25W tungsten bulb power consumption?

Answer:

Ordinary 3W energy-saving light bulbs in the actual use can play 15 ---- 20W efficiency, try it!
Really converted into light energy can be little, give you a suggestion, for an energy-saving light bulb it
This kind of light bulb is very costly, why electricity is it, it is the energy of 65 percent are converted into heat

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