An idealized voltmeter is connected across the terminals of a 15.5 V battery, and a 71.0 Ω appliance is also connected across its terminals. If the voltmeter reads 10.6 V. How much power is being dissipated by the appliance? What is the internal resistance of the battery?

An idealized voltmeter is connected across the terminals of a 15.5 V battery, and a 71.0 Ω appliance is also connected across its terminals. If the voltmeter reads 10.6 V. How much power is being dissipated by the appliance? What is the internal resistance of the battery?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter29: Direct Current (dc) Circuits

Section: Chapter Questions

Problem 19PQ

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Question

An idealized voltmeter is connected across the terminals of a 15.5 V battery, and a 71.0 Ω appliance is also connected across its terminals. If the voltmeter reads 10.6 V.

How much power is being dissipated by the appliance? What is the internal resistance of the battery?

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