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AP Physics 2
11.5 Compound Direct Current (DC) Circuits
11.4 Electric Power
11.3 Resistance, Resistivity, and Ohm’s Law
IntermediateMCQMathematicalProportional Analysis25.1k
Circuit diagram modeling the solar panel and external load.
Circuit diagram modeling the solar panel and external load.
A real solar panel is modeled as an ideal voltage source of electromotive force \(\varepsilon\) in series with an internal resistance \(r\), connected across a variable load resistor \(R\). When \(R = r\), the electrical power delivered to the load resistor is \(P_0\). If the load resistance is increased to \(R = 3r\), what is the power delivered to the load resistor in terms of \(P_0\)?

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