Problem B2:
Consider the three resistors in the figure above. One has a resistance of 6 Ohms, and
the other two have resistances of n_{1} and n_{2} Ohms. If 1 Amp
flows through the n_{1} Ohm resistor, what is the voltage difference between
point a and point b. That is, what is n_{3} in the expression
V(a) - V(b) = n_{3} Volts?

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