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Which of the following explains why international travelers need to use special adapters when plugging a...

Which of the following explains why international travelers need to use special adapters when plugging a device designed to operate in the U.S. into a wall outlet in Europe (i.e., Vrms in the U.S. is 120 V, while Vrms in Europe is 240 V)?

The increased voltage causes the device's resistance to increase, and the device won't work.
The increased voltage causes the device's resistance to decrease, and the device will overheat.
The increased voltage causes an increase in power usage, and the device will overheat.
The increased voltage causes a decrease in power usage, and the device won't work.
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