Two wires lie perpendicular to the plane of the paper and equal electric currents pass through the paper in the directions shown. Point P is equidstant from the two wires.  a) Construct a vector diagram showing the direction of the resultant magnetic field at point P due to currents in these wires. Explain your reasoning.  b) If the currents in both wires were instead directed into the plane of the page (such that the current moved away from us),

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Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.