Answer to Question #313068 in Physics for dle

Question #313068

The heating element in a hair dryer is rated at 5kW and 220V . How much current does it draw?

Expert's answer

The power of electrical current is given by

"P=IV"

Hence, the electrical current

"I=\\frac{P}{V}"

"I=\\rm \\frac{5000\\: W}{220\\: V}=22.7\\: A"

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