5. When a light bulb is connected across the terminals of a battery, the battery delivers 22.0 W of power to the bulb. A voltage of 13.8 V exists between the terminals of the battery, which has an internal resistance of 0.05 2. What is the emf of the battery? V

5. When a light bulb is connected across the terminals of a battery, the battery delivers 22.0 W of power to the bulb. A voltage of 13.8 V exists between the terminals of the battery, which has an internal resistance of 0.05 2. What is the emf of the battery? V

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter18: Direct-Current Circuits

Section: Chapter Questions

Problem 50AP: Three 60.0-W, 120-V lightbulbs are connected across a 120-V power source, as shown in Figure P18.50....

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Question

5. When a light bulb is connected across the terminals of a battery, the battery delivers 22.0 W of power to the bulb. A voltage of
13.8 V exists between the terminals of the battery, which has an internal resistance of 0.05 2. What is the emf of the battery?
V

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