What is the value of resistance that must be chosen

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Imagine a circuit consisted of two DC power sources of 12 volt and 10 volts. The negative terminals of these power sources are wired together. Assume that the positive terminals of these power sources are labeled as A and B respectively. It is desired to connect nodes A and B with a resistance element so that the power dissipated by it is 20 watts. What is the value of resistance that must be chosen for this?

Reference no: EM13249665

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