Question: Two batteries with terminal voltages of 10 V and 4

Two batteries with terminal voltages of 10 V and 4 V are connected with their positive terminals together. A 12-Ω resistor is wired between their negative terminals.
(a) The current in the resistor is (1) 0 A, (2) between 0 A and 1.0 A, (3) greater than 1.0 A. Explain your choice.
(b) Use Kirchhoff’s loop theorem to find the current in the circuit and the power delivered to the resistor.
(c) Compare this result with the power output of each battery. Do both batteries lose stored energy? Explain.

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  • CreatedAugust 29, 2015
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