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You buy a 25 W lightbulb in Europe, where electricity is delivered to homes at 240 V.
You buy a 25 W lightbulb in Europe, where electricity is delivered to homes at 240 V. If you use the lightbulb at home in the United States, it will NOT be the same brightness as a US 25 W, 115 V bulb. Calculate how much power it will consume in the US.