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## Homework Statement

The question gives me a diagram and is asking me to find the direction of the current through a resistor. I understand that current always flows from positive to negative terminal of the power source but the thing is, I'm given 3 batteries and a resistor (which I don't know how to figure out). The diagram goes like this (I'll have to describe in words):

Picture a square circuit; I will describe clockwise starting from bottom of the square. On the bottom of the circuit, there is a battery of 4V with the positive end on the left side of the page and negative on the right side. On the left side of the square, there is another battery of 2V with negative on the bottom and positive on the top. There is a resistor on the top of the square. On the right side of the square, there is a battery of 9V with positive end on top and negative end on bottom.

## Homework Equations

None.

## The Attempt at a Solution

Apparently, the current through the resistor is from right to left. I don't understand how I would figure it out because we have positive to positive ends of the resistor!