A 1200-W hair dryer is designed for 117V. (a) What will be the percentage change in power

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A 1200-W hair dryer is designed for 117V.
(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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Physics

ISBN: 978-0077339685

2nd edition

Authors: Alan Giambattista, Betty Richardson, Robert Richardson

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Question Posted: Jun 05, 2010 01:24 AM

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A 1200-W hair dryer is designed for 117V. (a) What will be the percentage change in power

Question:

Step by Step Answer:

a Use Eq 186 to relate the power to the voltage for a constant resistance 105 V Pos 105 VR 117...View the full answer

Physics

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