Question
A hair dryer uses 3.0 amps and 120 volts. What is the resistance?
i need help ^^^
i need help ^^^
Answers
E = IR
120 = 3R
R = 40Ω
Better study that unit again ...
120 = 3R
R = 40Ω
Better study that unit again ...
R = E/I = 120/3 = 40 ohms.
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