The image shows a diagram of a line with a red arrow pointing to the left and a green arrow pointing towards the right, with text written on it.
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The image shows a diagram of a line with a red arrow pointing to the left and a green arrow pointing towards the right, with text written on it. The background is white, and the diagram appears to be a representation of a magnetic field, with the red arrow indicating the direction of the magnetic field and the green arrow indicating its direction.