ashleyhdez8505 ashleyhdez8505
  • 08-09-2017
  • Physics
contestada

When plugged into a 120-v wall outlet, how much current is used by an electric blanket rated at 140 w?

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TheProfessor4zzzFM
TheProfessor4zzzFM TheProfessor4zzzFM
  • 08-09-2017
Use these equations here for this one. simply re-arrange to solve for the value you are missing:
I = current
E = volts
R = resistance
Power = watts

Equations
E = I x R
Power = I x E
Power = I[tex]^2[/tex] x R
Power = E[tex]^2[/tex] / R

Solving for I = 1.16Amps
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