College Physics Quiz
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WORK–ENERGY, POWER & CONSERVATIVE FORCES
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A battery with internal resistance r=0.50 Ωr = 0.50 \text{ Ω} and EMF E=12 V\mathcal{E} = 12 \text{ V} is connected to an external resistor RR. For what value of RR is the power delivered to the external resistor maximized, and what is this maximum power?
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