27. Resistors & DC Circuits
Power in Circuits
4:40 minutes
Problem 25.33
Textbook Question
Textbook Question(II) A 120-V hair dryer has two settings: 1250 W and 1875 W.
(a) At which setting do you guess the resistance to be higher?
After making a guess, determine the resistance at
(b) the lower setting, and
(c) the higher setting.
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