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**1. Homework Statement**

There's an 110V source and two resisters in series. The first resister, R, is a fixed resistor. The second resister, Rx, is a variable resister (a potentiometer). The potentiometer is to be designed to adjust current I from 1A to 10A. Calculate the values of R and Rx to achieve this.

**2. Homework Equations**

**3. The Attempt at a Solution**

I have no clue where to start. I have never dealt with circuit problems that involved a potentiometer before.