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How to culculate rms current using Watts in a Household Curcuit
YEp! I can assume a voltage, for the US household curcuot it's 120 V, and I can plug that into the P=VI to get my answer.Thanks!- jmmckiss
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- Forum: Introductory Physics Homework Help
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How to culculate rms current using Watts in a Household Curcuit
Homework Statement Three lamps are connected in a household curcuit. Lamps 1 and 2 have 150W bulbs and lamp 3 has a 100W bulb. What is the Current (I) and Resistance (R) of each bulb? Homework Equations V=IR P = W/t = (V*q)t = V*I I= q/t V= W/q The Attempt at a Solution Lamp...- jmmckiss
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- Current Rms Watts
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- Forum: Introductory Physics Homework Help