Figure illustrates a segment of a double line carrying direct current whose direction is indicat...

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Figure illustrates a segment of a double line carrying direct current whose direction is indicated by the arrows. Taking into account that the potential \( \phi_{2}\phi_{1} \), and making use of the poynting vector, establish on which side (left or right) the source of the current is located. Type 0 if your answer is left direction, type 1 if right direction.
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