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ponomous
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Homework Statement
When a 2-kΩ load is connected to the terminals A–B of the network in the figure, the current through the load is IL = 10 mA. If a 10-kΩ load is connected to the terminals, IL = 6 mA. Find IL if a 20-kΩ load is connected to the terminals.
2. The attempt at a solution
I thought that I could use the slope between the two given currents and resistors ie (2k-10k)/(10 mA - 6 mA) and then substitute in the 20k resistor and the unknown current into the formula. However this doesn't give the correct answer of 4 mA (given in the book).
Could someone point me in the right direction?