A Transformer Is Used in a Converter So That a Traveler

question 38

Multiple Choice

A transformer is used in a converter so that a traveler can use a hair dryer made in the U.S. in their hotel room in Germany. The standard voltage in the U.S. is 120 V. The voltage in Germany is 220 V. The ratio of the number of turns must be

• A) 0.545.
• B) 1.833.
• C) 20.
• D) 100.
• E) 340.

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