Kiểm tra & Khắc phục sự cốCâu 483 / 521
A 120 V branch circuit supplies a load drawing 1,500 W. What current does the load draw?
a.18 A
b.12.5 A
c.1,380 A
d.0.08 A
Giải thích
From P = V x I, I = P / V = 1,500 W / 120 V = 12.5 A. Option a multiplies incorrectly, c multiplies P x V, and d inverts to V / P.
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