The emf of a battery is E = 12 V . When the battery delivers a current of 1 A to a load, the potential difference between the terminals of the battery is 10 V volts. Find the internal resistance of the battery. Answer in units of Ω.
The emf of a battery is E = 12 V . When the battery delivers a current of 1 A to a load, the potential difference between the terminals of the battery is 10 V volts. Find the internal resistance of the battery. Answer in units of Ω.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 1OQ: If the terminals of a battery with zero internal resistance are connected across two identical...
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Question
The emf of a battery is E = 12 V . When the
battery delivers a current of 1 A to a load, the
potential difference between the terminals of
the battery is 10 V volts.
Find the internal resistance of the battery.
Answer in units of Ω.
Expert Solution
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Step 1
Given:
The emf of the battery is 12 V.
The terminal voltage is 10 V.
The current in the circuit is 1 A.
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