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A friend returns to the United States from Europe with a 960-W coffeemaker, designed to operate from a 240-V line. She wants to operate it at the USA-standard 120 V by using a transformer. If the secondary coil has 60 turns, what the number of turns in the primary coil? What current will the coffeemaker craw from the 120V line?

A friend returns to the United States from Europe with a 960-W coffeemaker, designed to operate from a 240-V line. She wants to operate it at the USA-standard 120 V by using a transformer. If the secondary coil has 60 turns, what the number of turns in the primary coil? What current will the coffeemaker craw from the 120V line?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A friend returns to the United States from Europe with a 960-W coffeemaker, designed to operate from a 240-V line. She wants to operate it at the USA-standard 120 V by using a transformer. If the secondary coil has 60 turns, what the number of turns in the primary coil? What current will the coffeemaker craw from the 120V line?
Transcribed Image Text:A friend returns to the United States from Europe with a 960-W coffeemaker, designed to operate from a 240-V line. She wants to operate it at the USA-standard 120 V by using a transformer. If the secondary coil has 60 turns, what the number of turns in the primary coil? What current will the coffeemaker craw from the 120V line?
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