APFIVE Circuit With Opposing EMFs
Two batteries with emfs ε₁ and ε₂ are connected in a circuit with opposite polarities. If ε₁ > ε₂, and both batteries have the same internal resistance r, which statement correctly explains the energy transformations in this circuit?
A
Both batteries supply equal energy to the circuit
B
Energy is conserved only if the batteries have zero internal resistance
C
The stronger battery supplies energy to both the circuit and the weaker battery
D
The net energy supplied equals ε₁ + ε₂
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