Two long straight wires are oriented perpendicular to the page as shown in Figure 2.1. The current in one wire is I1 = 3.0 A pointing into the page and the current in the other wire is I2 = 4.0 A pointing out of the page. i. Sketch the direction of magnetic field at point P ii. Determine the magnitude and direction of the nett magnetic field at point P

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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.