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You are given a number of 18 resistors, each capable of dissipating only 1.4 W without being destroyed. What is the minimum number of

You are given a number of 18 Ω resistors, each capable of dissipating only 1.4 W without being destroyed. What is the minimum number of such resistors that you need to combine in series or in parallel to make a 18 Ω resistance that is capable of dissipating at least 11.0 W?

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