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5. Consider the resistor network connecting points A and B in the figure be-
low. What is the equivalent resistance between points A and B? If the potential
difference between A and B is 12 volts, what is the current in the 4 2 resistor?
What is the rate at which heat is produced in the 42 resistor?

52
3几
2 2 252
325L
sor
1252
52
2-2
652

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