E 8) In the figure above, a battery with an ideal emf of 4.5 V and unknown internal resistance is connected as shown to an unknown resistor R. When the switch is open as shown, the current out of the battery is 1.2 amps, when the switch is closed, the current out of the battery is 30 A. a) What is the internal resistance r of the battery? b) What is the value of the resistor R?
E 8) In the figure above, a battery with an ideal emf of 4.5 V and unknown internal resistance is connected as shown to an unknown resistor R. When the switch is open as shown, the current out of the battery is 1.2 amps, when the switch is closed, the current out of the battery is 30 A. a) What is the internal resistance r of the battery? b) What is the value of the resistor R?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
Related questions
Question
![E
ww
8)
In the figure above, a battery with an ideal emf of 4.5 V and unknown internal resistance is connected as shown to an unknown
resistor R. When the switch is open as shown, the current out of the battery is 1.2 amps, when the switch is closed, the current out
of the battery is 30 A.
a) What is the internal resistance r of the battery?
b) What is the value of the resistor R?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe08fb374-362a-4ced-ba05-40713f5dda8f%2Fac663c5d-72ac-42f0-b57a-2d77ec539044%2Fep4uvv_processed.jpeg&w=3840&q=75)
Transcribed Image Text:E
ww
8)
In the figure above, a battery with an ideal emf of 4.5 V and unknown internal resistance is connected as shown to an unknown
resistor R. When the switch is open as shown, the current out of the battery is 1.2 amps, when the switch is closed, the current out
of the battery is 30 A.
a) What is the internal resistance r of the battery?
b) What is the value of the resistor R?
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