Outcomes
        In this lesson you will learn 
        - what an inductor is 
 
          - how an inductor works 
 
          - how a transformer works 
 
          - applications of transformers
 
        
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - electrical current 
 
          - electromotive force 
 
          - electrical resistance