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20.4 Exercise 9

Avg difficulty 2.5

Find the power dissipated in each of these extension cords: (a) an extension cord having a 0.0600-Ω0 . \text{0600} - \Omega resistance and through which 5.00 A is flowing; (b) a cheaper cord utilizing thinner wire and with a resistance of 0.300Ω.0 . \text{300} \Omega .

OpenStax College Physics 2e, 20.4 Electric Power and Energy, exercise 9

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Adapted from College Physics © 2022 Rice University. Licensed under CC BY 4.0. Sources: College Physics 2e, College Physics for AP® Courses 2e. Imported at revision f98d7a7.