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What is the current in the 1100 w (120 v ) hair dryer when it is used?

What is the current in the 1100 w (120 v ) hair dryer when it is used?
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What is the current in the 1100 w (120 v ) hair dryer when it is used?

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User Gsteff
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1 Answer

1 vote
The electrical power of the hair dryer is equal to its voltage difference multiplied by the current:

P=VI
In our problem, the power is P=1100 W and the voltage is V=120 V, so the current flowing in the hair dryer is

I= (P)/(V) = (1100 W)/(120 V)=9.17 A
answered
User Gatto
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