27. Resistors & DC Circuits
Power in Circuits
6:15 minutes
Problem 25.72
Textbook Question
Textbook QuestionAn 1875-W hair dryer is designed for 117 V.
(a) What will be the percentage change in power output if the voltage drops to 105 V? Assume no change in resistance.
(b) How would the actual change in resistivity with temperature affect your answer?
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