A 12.0 [V] battery with an internal resistance of 2.00[22] is linked to a 4.00[22] external resistor in the circuit depicted. What is the rate of electrical energy dissipation in the external resistor?

A 12.0 [V] battery with an internal resistance of 2.00[22] is linked to a 4.00[22] external resistor in the circuit depicted. What is the rate of electrical energy dissipation in the external resistor?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter21: Circuits And Dc Instruments

Section: Chapter Questions

Problem 20PE: A car battery with a 12-V emf and an internal resistance of 0.050 is being charged with a current...

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Question

A 12.0 [V] battery with an internal resistance of 2.00[2] is linked to a 4.00[2] external resistor
in the circuit depicted. What is the rate of electrical energy dissipation in the external resistor?
[W]
A. 36
B. 18 [W]
C. 16 [W]
D. 8 [W]
12 V
2.0 Ω
ww
www
4.0 Ω

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