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What Maximum Power Can Be Generated from an 18-V Emf $\Omega$

Question 18

Multiple Choice

What maximum power can be generated from an 18-V emf using any combination of a 6.0- $\Omega$ resistor and a 9.0- $\Omega$ resistor?

A) 54 W
B) 71 W
C) 90 W
D) 80 W
E) 22 W

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