The Transformer gives two outputs of 6 V , 12 V and 0 V. The Transformers construction is written below with details of Solid Core and Winding. The transformer is a static electrical device that transfers energy by inductive coupling between its winding circuits. A varying current in the primary winding creates a varying magnetic flux in the transformer's core and thus a varying magnetic flux through the secondary winding. This varying magnetic flux induces a varying electromotive force (E.M.F) or voltage in the secondary winding. The transformer has cores made of high permeability silicon steel. The steel has a permeability many times that of free space and the core thus serves to greatly reduce the magnetizing current and confine the flux to a path which closely couples the windings. The solid core uses one of the common design of laminated core is made from interleaved stacks of E - shaped steel sheets capped with I - shaped pieces, leading to its name of 'E - I transformer. Such a design tends to exhibit more losses, but is very economical to manufacture. Windings are arranged concentrically to minimize flux leakage. The effect of laminations is to confine eddy currents to highly elliptical paths that enclose little flux, and so reduce their magnitude. Thinner laminations reduce losses, but are more laborious and expensive to construct. Thin laminations are generally used on high-frequency transformers, with some of very thin steel laminations able to operate up to 10 KHz.
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