Saturday, September 13, 2014

what is transformer and how it works ?

First of all i just want to say That This article is only for the beginners So now come towards the Point that what is transformer Many people thinks that transformer is a device whih convert Ac in to Dc so This is Wrong basically " Transformer is A device which Step up OR Step Down Ac Voltage " Suppose we have a 11000 AC voltage Line But For Domestic use We need only 220V Ac so Here we need a Transformer To stepdown Ac Voltage from 11000 To 220 v AC OR if The Source Voltage is 110v AC and We need 220v AC so for doing this job here we need Ste-up Transformer to step of 110v AC to 220v AC . Now comes To the second Part that how transformer works so Transformer is made from Two coils the first one is called primary coil (input coil) and the second one is called secondery coil (output coil)  but remeber there is no Physical conection between these two coils there is Dielectric between These coils so when a current Strart flowing on primary coil it produced magnetic field on the transformer core which cuts the secondry coil so due to this phenomena a EMF induced at Secondry coil .

STEP DOWN Transformer == Less Turns of Wire on The secondry coil as compared to Primary

STEP UP Transformer ==== More Turns of Wires on the secondry coil as compared to Primary

You can Make your Own simple transformer You need just Simple copper wire ( insulated ) first Round some wire But Must count the Turn then put some Mecca paper at the meddle of the wire  then round wire again for secondry coil and you finished done ...


  1. Simple and Cool Thank you sir i love your BLOG keep it up !

  2. what a fake and crappy attempt to make money. the comment above is so fake. lol


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