As shown in the figure below, two long parallel wires (1 and 2) carry currents of I1 = 2.86 A and I2 = 4.85 A in the direction indicated. Two parallel wires point into the page. They are a distance d apart from each other, with the left wire labeled I_1 at the origin and the right wire labeled I_2 a distance d along the positive x axis. There is a point labeled P directly above wire I_1 a distance d up on the positive y axis. (a) Determine the magnitude and direction of the magnetic field at a point midway between the wires (d = 10.0 cm). magnitude µT direction ° counterclockwise from the +x-axis (b) Determine the magnitude and direction of the magnetic field at point P, located d = 10.0 cm above wire 1. magnitude µT direction ° counterclockwise from the +x-axis

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Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.