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The current in a hair dryer measures 18 amps. The resistance of the hair dryer is 12 ohms. What is the voltage?
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The current in a hair dryer measures 18 amps. The resistance of the hair dryer is 12 ohms. What is the voltage?

User Salvador
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Voltage= current*resistance or V=IR

so V=18*12= 216 volts

User Adrianwadey
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