The emf and the internal resistance of a battery are shown in the figure. If a...

Question

Question

The emf and the internal resistance of a battery are shown in the figure. If a current of 7.8 A is established through the battery from b to a, what is the terminal voltage Vab of the battery?

Answer 1

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Answer #1

The voltage drop at the resistance,

\(V=i R=7.8^{*} 7.0=54.6 \mathrm{~V}\)

\(V_{a b}=25.0-54.6=-29.6 \mathrm{~V}\)

Answer 2

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