There are many useful applications and projects which are going based on the inductors,with which we are going in and around freely.some of the uses are in the preperation of motors,sensors,filters,transformersenergy storages etc which are extensively works based on the inductive properties.you can have a brief explanition of two applications of inductor and its basic principles through this video url
                                https://www.youtube.com/watch?v=n_tzkyfKSpM

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