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100W European bulb in US

In Europe the standard voltage in homes is 220V instead of the 120V used in the United States. Therefore a 100W European bulb would be intended for use with a 220V potential difference.

1) If you bring a 100W European bulb home to the United States, what should be its U.S. W power rating?
2) How much current in A will the 100W European bulb draw in normal use in the United States?

Solution Preview

The resistance of the bulb is a property of the materials and dimensions of the bulb itself. so the ...

Solution Summary

It investigates how the 100W European bulb works in the US 120 V standard voltage. The solution is detailed and has a '5/5' rating.