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Homework Statement
I am trying to find terminal voltage of the batteries in the circuit shown.
Homework Equations
V = IR
The Attempt at a Solution
The solution manual says that it's the battery voltage, v, minus the voltage drawn from the resistance v = I * R. I understand this.
I do not understand how i'm supposed to know that the 1 ohm resistor adjacent to each battery corresponds to the battery's internal resistance. I would very much appreciate help with this. Thank you!
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