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Solve the following problems:

Problem I: What is the voltage across six 6.0V batteries when they are connected five in parallel with one another and this combination wired in series with the remaining one? Assume all batteries are ideal unless told otherwise.

Problem II: What is the emf of a battery with a 0.15ohm internal resistance if the battery delivers 2.0A to an externally connected 5.0ohm resistor?

Please explain clearly with details so that I can follow.

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