Which costs more, running a 1,200-W hair dryer for 5 min or leaving a 60-W lamp on

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Which costs more, running a 1,200-W hair dryer for 5 min or leaving a 60-W lamp on overnight (10 h)?

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Related Book For  answer-question

Inquiry into Physics

ISBN: 978-1305959422

8th edition

Authors: Vern J. Ostdiek, Donald J. Bord

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