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Submit tes point(s) possible 49r The electric power P (in W) produced by a certain battery is given by P = where r is the

Submit tes point(s) possible 49r The electric power P (in W) produced by a certain battery is given by P = where r is the resistance in the circuit. For what value of r is the power (r+ 0.9)2 a maximum? . . . Exam r= (Simplify your answer.)

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