Electric and Magnetic Fields Essay Example | Topics and Well Written Essays - 1000 words

voltaic and Magnetic Fields - Essay Example voltaical charges and magnets are found to exert forces upon distant intentions, thereby altering the region of lay surrounding them. The altered space becomes the force subject areaeventually and by this effect, the body is able to respond to its local environment enabling distant objects to react across space by the nature of the forces caused by the fields. A magnet or an galvanising charge responds to the field make by the objects immediately within its reach. Equivalently, a massive object can establish afield of sobriety upon which distant entities manage a certain degree of exertion. Though charismatic fields habit hand in hand with electric fields, specific properties distinguish one from the other. The notion of field lines and magnetic fields in existence was initially studied by the English scientist Michael Faraday(1791-1867) then further byJames Clerk Maxwell (1831-1879), both of whom pioneered remarkable discoveries o f electromagnetism in several aspects.Maxwell proposed that if a ever-changing magnetic field can make an electric field, then a changing electric field, as via an oscillating electric charge for instance, should make a magnetic field. Under these circumstances, the changing electric and magnetic fields would activate each other and move at a speeding approaching the speed of light. Base on such grounds with empirical findings, Maxwell came up with the theory that lightisan electromagnetic wave which was given proof by the experiments conducted after his time. Figure 1 - Electric Field (Red) and Magnetic Field (Blue) Since the electric power has been of chief significance to living, humans accommodate active themselves into conception of possibilities to obtain higher potentials and benefits with electric and magnetic fields given constant exposure to them. Scientists have long understood even during the 19th century that there exists special connection between galvanising fiel ds and magnetic fields which may be experienced everywhere on earth. Moving electric charge (electric certain) can induce magnetic field. As such, coils of wire can serve as braggart(a) electromagnets used in car junk yards in the same way that electric motors can be used to start a car engine or spin a computers hard disk. This phenomenon explicates as well how ordinary magnets are derived from tiny currents at the atomic level. An electrical current or electric field is formed by an altering magnetic field which creates electromagnetic waves in the process. Power generator manufacturers utilize this principle to have large coils of wire bear the expected condenser of yielding magnetic field whether by falling water, wind, or steam by burning scorch or oil, and even by through the heat coming from nuclear reactions whenever feasible. Audio and video tapes and tweet disks, similarly, are capable of encoding information in magnetic patterns whereby magnetic directions and magne tic strengths are alternating. When a magnetic disk or tape material happens to pass near wire coils of any size, electrical currents or fields are generated. Because magnetic fields are regions where an object exhibits magnetic influence, the same object acquires the potential to attract or repel a neighboring magnetic body along the magnetic field lines. It must be noted, however, that magnetic forces have nothing to do withgravity and the amount of gravity depends upon an objects mass whereas magnetic strength is a function