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A Battery Has an Emf ε = 12 V and an Internal

Question 193

Multiple Choice

A battery has an emf ε = 12 V and an internal resistance r = 2.0 Ω,as shown in the figure.When a 3.0-Ω cable is connected across the battery terminals a and b,the rate at which chemical energy in the battery is depleted is closest to A battery has an emf ε = 12 V and an internal resistance r = 2.0 Ω,as shown in the figure.When a 3.0-Ω cable is connected across the battery terminals a and b,the rate at which chemical energy in the battery is depleted is closest to A) 24 W. B) 27 W. C) 29 W. D) 32 W. E) 34 W.


A) 24 W.
B) 27 W.
C) 29 W.
D) 32 W.
E) 34 W.

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