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AP Physics C: E&M
11.6 Kirchhoff’s Loop Rule
11.5 Compound Direct Current Circuits
11.4 Electric Power
IntermediateMCQMathematicalConceptual17.1k
A nonideal battery connected to a variable load resistor.
A nonideal battery connected to a variable load resistor.
A battery with electromotive force \(\mathcal{E}\) and internal resistance \(r\) is connected in series with a variable load resistor of adjustable resistance \(R\). The resistance \(R\) is varied until the rate of energy dissipation in the load resistor is maximized. Which of the following expressions represents the maximum electric power dissipated in the load resistor?

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