An external resistor of 12 Q is connected to a real battery, as shown the figure. The thermal energy is generated in the external resistor is 2.5 W, when emf is 9.0 V. b]+ R Calculate the internal resistance, in 2, of the battery. 3. a

An external resistor of 12 Q is connected to a real battery, as shown the figure. The thermal energy is generated in the external resistor is 2.5 W, when emf is 9.0 V. b]+ R Calculate the internal resistance, in 2, of the battery. 3. a

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 46P: An electronic device designed to operate at any temperature in the range from 10.0C to 55.0C...

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Question

An external resistor of 12 Q is connected to a real battery, as shown the
figure. The thermal energy is generated in the external resistor is 2.5 W,
bl+
when emf is 9.0 V.
R
Calculate the internal resistance, in 2, of the battery.
3.

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