**Practice question for ECE201: "Linear circuit analysis I" **

By: ECE student Paul Wonnacott

Topic: Current Division

## Question

Determine the current I_{R} in the figure below.

### Answer

First, you can ignore the 2 ohm resistor since all the current needs to go through there. Then, apply the current division formula to the other two resistors. Take the 3 ohm resistor and divide by the sum of the 3 and 6 ohm resistors, and multiply this quantity by the 12 amps from the source. The answer is 4 amps.

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