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An ac ammeter reads 2.0 A. What is the peak current in the wire?
A1.4 A
B2.8 A
C2.0 A
D4.0 A
Answer & Solution
Correct answer: B. 2.8 A
Meters show rms values, so the peak current is 2.0 x 1.414, about 2.8 A.
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