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A) Brightness of all the bulbs will be the same. - Vedantu
Web1 feb. 2024 · Best answer The correct option is D) 24 W. When two bulbs of power 60 w and 40 w are connected in series then the power of their combination will be When two bulbs of power 60 w and 40 w are connected in series, then we have to find power of their combination. We know, power, P = V2/R Web16 mrt. 2024 · LED bulbs use more than 75% less energy than incandescent lighting. At low power levels, the difference is even larger. Bright LED flood lamps use only 11 to 12 watts while creating a light output comparable to a 50-watt incandescent bulb. Another advantage of LEDs is the “hassle factor.”. LEDs last a lot longer than a regular bulb. ecoregions of oklahoma kmz
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