7/25/2019 Exercise Ch25#61

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EXERCISE. 25.61Show that the power supplied to the circuit in the figure by the battery with internal

resistanceRi is maximum when the resistance of the resistor in the circuit,R, is equal toRi. Determine

the power supplied toR. For practice, calculate the power dissipated by a 12.0-V battery with an internal

resistance of 2.00 whenR= 1.00 ,R= 2.00 , andR= 3.00 .