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OpenStudy (anonymous):
How much current does a 48 W device draw when 120 V is placed across it? A. 4.0 * 10^-1 A B. 2.5 * 10^0 A C. 4.2 * 10^2 A D. 3.6 * 10^4 A
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OpenStudy (michele_laino):
power is equal to voltage times current, so we have: I=W/V=48/120=...amperes
OpenStudy (anonymous):
0.4!
OpenStudy (michele_laino):
correct!
OpenStudy (anonymous):
so choice A is our solution?
OpenStudy (michele_laino):
yes!
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OpenStudy (anonymous):
thanks!!:D
OpenStudy (michele_laino):
:)
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