Back to 7.4 Power

7.4 Exercise 2

Avg difficulty 2.5

Most electrical appliances are rated in watts. Does this rating depend on how long the appliance is on? (When off, it is a zero-watt device.) Explain in terms of the definition of power.

OpenStax University Physics Volume 1, 7.4 Power, exercise 2

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.