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An ideal transformer has 100 primary and 200 secondary turns, input 220 V, 10 A. Secondary current?

A10 A
B2.5 A
C20 A
D5.0 A
Answer & Solution
Correct answer: D. 5.0 A
Output power equals input power, 2200 W, and at 440 V the current is 2200/440 = 5.0 A.
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