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When a 1500-W Hair Dryer Is in Use, the Current π\pi

Question 73

Multiple Choice

When a 1500-W hair dryer is in use, the current passing through the dryer may be represented as I = (17.7A) sin (120 π\pi t) . What is the rms current for this circuit?


A) 17.7 A
B) 12.5 A
C) 85.7 A
D) 25.0 A
E) 8.85 A

Correct Answer:

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