Outcomes
        In this lesson you will learn 
        - what constitutes a semiconductor 
 
          - how semiconductor material works 
 
          - types of semiconductors 
 
          - applications of semiconductors
 
        
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - how electrical current works 
 
          - electromotive force and 
 
          - resistance