If the equivalent resistance of all five resistors is 21


Five resistors are connected purely in series to a battery of 38 volts. Three of these resistors are equal (equal to R) and the voltage across each is 3.1 volts. The resistance of the fourth resistor is a factor 3.3 times smaller than R. If the equivalent resistance of all five resistors is 21 Ohms, what is the power, in Watts, dissipated by the fifth resistor?

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Chemical Engineering: If the equivalent resistance of all five resistors is 21
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