Transformer Assignment Essay Example | Topics and Well Written Essays - 1000 words

Transformer Assignment - Essay ExampleA simple mood to remember it is the left hand Hand Thumb rule. If we grasp the conductor in our left hand with our thumb ext rarityed in the care of current (from ve to +ve), our finger will point in the direction of magnetised lines of forces.When two or more current carrying conductors are determined parallel to severally other in a way that the direction of current is the akin in all of them, as shown in Figure 2, indeed the magnetic lines of forces aid each other to combine and strengthen the magnetic field further. If the two conductors so placed have current flowing in opposite direction then the magnetic lines oppose each other to deform and weaken the magnetic field. The magnetic field around the conductor exists at points on the length of the conductor.When the conductor is wound in the shape of a coil, as in Figure 3, then magnetic field around each turn of the coil is aided and strengthened by the handle of adjacent turns in the coil. The resultant is a magnetic field resembling a bar magnet with genius end as North and the other as South of the magnet. When the direction of current is reversed it causes the direction of magnetic field to be reversed. If we grasp the coil with our left hand with our fingers pointing in the direction of current, as in Figure 4, the thumb will point in the direction of magnetic field.Conversely, to what we have discussed gutter now, if a conductor is placed in a magnetic field and there is a relative movement between the field and the conductor, an electromotive force (emf) is induced in the conductor. This effect is called electromagnetic induction. Both of these phenomenons, of creating a magnetic field and then utilizing electromagnetic induction form the basis of transformers. At one end alternating current (AC) is passed through a coil, this gives rise to a magnetic field which spreads out and subsides with the same frequency as of the AC applied. This changing ma gnetic field in fact is a successor to moving