The potential difference across the terminals of a battery is 20.0 V when the circuit is open. When a current of 2.0 A flows, the potential difference across the battery drops to 16 V. (a )What is the terminal voltage of the battery? (b) What is the internal resistance of the battery? (c) What external resistance R has been connected to the battery?
The potential difference across the terminals of a battery is 20.0 V when the circuit is open. When a current of 2.0 A flows, the potential difference across the battery drops to 16 V. (a )What is the terminal voltage of the battery? (b) What is the internal resistance of the battery? (c) What external resistance R has been connected to the battery?
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 3OQ: The current-versus-voltage behavior of a certain electrical device is shown in Figure OQ21.3. When...
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The potential difference across the terminals of a battery is 20.0 V when the circuit is open. When a current of 2.0 A flows, the potential difference across the battery drops to 16 V. (a )What is the terminal voltage of the battery? (b) What is the internal resistance of the battery? (c) What external resistance R has been connected to the battery?
(Can I get the answer in not more than 45 mins please? or asap. Thank you!)
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