2. Primary winding
3. Secondary winding
4. Magnetic core 1. Silicon steel laminated core The composition of transformer core it depends on such factors as voltage, current, and frequency. Size limitations and construction costs are too factors to be consider. Generally used core materials are air, soft iron, and steel. 2. Primary winding Primary winding of transformer which produces magnetic flux as it is joined to electrical source. 3. Secondary winding Secondary winding of transformer the flux, created through primary winding, passes through the core, will link by the secondary winding. This winding too wounds on the similar core and gives the preferred output of transformer. 4. Magnetic core Magnetic core of transformer the magnetic flux created by the primary winding, that will pass through this low reluctance path linked by secondary winding and create a closed magnetic circuit.